Pro-Russian protesters wave a Russian flag during a rally in the industrial Ukrainian city of Donetsk on March 1, 2014. More than 10,000 people carrying Russian flags protested in the eastern Ukrainian city of Donetsk, the stronghold of ousted president Viktor Yanukovych. Protesters declared they supported "the aspirations of Crimea to rejoin Russia", referring to Ukraine's pro-Russia peninsula further south where Kiev has accused Moscow of launching an "armed invasion." AFP PHOTO/ ALEXANDER KHUDOTEPLY

Pro-Russian protesters wave a Russian flag during a rally in the industrial Ukrainian city of Donetsk on March 1, 2014. More than 10,000 people carrying Russian flags protested in the eastern Ukrainian city of Donetsk, the stronghold of ousted president Viktor Yanukovych. Protesters declared they supported "the aspirations of Crimea to rejoin Russia", referring to Ukraine's pro-Russia peninsula further south where Kiev has accused Moscow of launching an "armed invasion." AFP PHOTO/ ALEXANDER KHUDOTEPLY

Pro-Russian protesters wave Russian flags and hold a banner reading "Donetsk region is with Russia" during a rally in the industrial Ukrainian city of Donetsk on March 1, 2014. More than 10,000 people carrying Russian flags protested in the eastern Ukrainian city of Donetsk, the stronghold of ousted president Viktor Yanukovych. Protesters declared they supported "the aspirations of Crimea to rejoin Russia", referring to Ukraine's pro-Russia peninsula further south where Kiev has accused Moscow of launching an "armed invasion." AFP PHOTO/ ALEXANDER KHUDOTEPLY

Pro-Russian protesters raise a Russian flag in front of the regional administration building during a rally in the industrial Ukrainian city of Donetsk on March 1, 2014. More than 10,000 people carrying Russian flags protested in the eastern Ukrainian city of Donetsk, the stronghold of ousted president Viktor Yanukovych. Protesters declared they supported "the aspirations of Crimea to rejoin Russia", referring to Ukraine's pro-Russia peninsula further south where Kiev has accused Moscow of launching an "armed invasion." AFP PHOTO/ ALEXANDER KHUDOTEPLY

Pro-Russian protesters raise a Russian flag in front of the regional administration building during a rally in the industrial Ukrainian city of Donetsk on March 1, 2014. More than 10,000 people carrying Russian flags protested in the eastern Ukrainian city of Donetsk, the stronghold of ousted president Viktor Yanukovych. Protesters declared they supported "the aspirations of Crimea to rejoin Russia", referring to Ukraine's pro-Russia peninsula further south where Kiev has accused Moscow of launching an "armed invasion." AFP PHOTO/ ALEXANDER KHUDOTEPLY

Pro-Russian protesters wave Russian flags during a rally in the industrial Ukrainian city of Donetsk on March 1, 2014. More than 10,000 people carrying Russian flags protested in the eastern Ukrainian city of Donetsk, the stronghold of ousted president Viktor Yanukovych. Protesters declared they supported "the aspirations of Crimea to rejoin Russia", referring to Ukraine's pro-Russia peninsula further south where Kiev has accused Moscow of launching an "armed invasion." AFP PHOTO/ ALEXANDER KHUDOTEPLY

Pro-Russian protesters wave a giant Russian flag during a rally in the industrial Ukrainian city of Donetsk on March 1, 2014. More than 10,000 people carrying Russian flags protested in the eastern Ukrainian city of Donetsk, the stronghold of ousted president Viktor Yanukovych. Protesters declared they supported "the aspirations of Crimea to rejoin Russia", referring to Ukraine's pro-Russia peninsula further south where Kiev has accused Moscow of launching an "armed invasion." AFP PHOTO/ ALEXANDER KHUDOTEPLY

A pro-Russian protester waves a Russian flag (L) and the so-called flag of the Donetsk Republic in front of the regional administration building during a rally in the industrial Ukrainian city of Donetsk on March 1, 2014. More than 10,000 people carrying Russian flags protested in the eastern Ukrainian city of Donetsk, the stronghold of ousted president Viktor Yanukovych. Protesters declared they supported "the aspirations of Crimea to rejoin Russia", referring to Ukraine's pro-Russia peninsula further south where Kiev has accused Moscow of launching an "armed invasion." AFP PHOTO/ ALEXANDER KHUDOTEPLY

Pro-Russian protesters hold a banner (C) reading "Donetsk region with Russia" and a placard reading "South-east against fascism!" during a rally in the industrial Ukrainian city of Donetsk on March 1, 2014. More than 10,000 people carrying Russian flags protested in the eastern Ukrainian city of Donetsk, the stronghold of ousted president Viktor Yanukovych. Protesters declared they supported "the aspirations of Crimea to rejoin Russia", referring to Ukraine's pro-Russia peninsula further south where Kiev has accused Moscow of launching an "armed invasion." AFP PHOTO/ ALEXANDER KHUDOTEPLY

A line of police stand guard as pro-Russian protesters wave Russian flags during a rally in front of the regional administration building in the industrial Ukrainian city of Donetsk on March 1, 2014. More than 10,000 people carrying Russian flags protested in the eastern Ukrainian city of Donetsk, the stronghold of ousted president Viktor Yanukovych. Protesters declared they supported "the aspirations of Crimea to rejoin Russia", referring to Ukraine's pro-Russia peninsula further south where Kiev has accused Moscow of launching an "armed invasion." AFP PHOTO/ ALEXANDER KHUDOTEPLY

A pro-Russian protester raises his fist as he shouts slogans during a rally in the industrial Ukrainian city of Donetsk on March 1, 2014. More than 10,000 people carrying Russian flags protested in the eastern Ukrainian city of Donetsk, the stronghold of ousted president Viktor Yanukovych. Protesters declared they supported "the aspirations of Crimea to rejoin Russia", referring to Ukraine's pro-Russia peninsula further south where Kiev has accused Moscow of launching an "armed invasion." AFP PHOTO/ ALEXANDER KHUDOTEPLY

TOPSHOTS Pro-Russian protesters hold a banner (C) reading "Donetsk region with Russia" and a placard reading "South-east against fascism!" during a rally in the industrial Ukrainian city of Donetsk on March 1, 2014. More than 10,000 people carrying Russian flags protested in the eastern Ukrainian city of Donetsk, the stronghold of ousted president Viktor Yanukovych. Protesters declared they supported "the aspirations of Crimea to rejoin Russia", referring to Ukraine's pro-Russia peninsula further south where Kiev has accused Moscow of launching an "armed invasion." AFP PHOTO/ ALEXANDER KHUDOTEPLY

Pro-Russian protesters wave a Russian flag and hold a banner reading "Verkhovna Rada (Ukrainian parliament) is illegitimate" in front of the regional administration building during a rally in the industrial Ukrainian city of Donetsk on March 1, 2014. More than 10,000 people carrying Russian flags protested in the eastern Ukrainian city of Donetsk, the stronghold of ousted president Viktor Yanukovych. Protesters declared they supported "the aspirations of Crimea to rejoin Russia", referring to Ukraine's pro-Russia peninsula further south where Kiev has accused Moscow of launching an "armed invasion." AFP PHOTO/ ALEXANDER KHUDOTEPLY

Pro-Russian protesters wave a Russian flag and hold a sign (C) reading "Our brothers are in Russia, we are slaves in Europe" during a rally in front of the regional administration building in the industrial Ukrainian city of Donetsk on March 1, 2014. More than 10,000 people carrying Russian flags protested in the eastern Ukrainian city of Donetsk, the stronghold of ousted president Viktor Yanukovych. Protesters declared they supported "the aspirations of Crimea to rejoin Russia", referring to Ukraine's pro-Russia peninsula further south where Kiev has accused Moscow of launching an "armed invasion." AFP PHOTO/ ALEXANDER KHUDOTEPLY

Pro-Russian protesters hold up their fists and wave Russian flags during a rally in front of the regional administration building in the industrial Ukrainian city of Donetsk on March 1, 2014. More than 10,000 people carrying Russian flags protested in the eastern Ukrainian city of Donetsk, the stronghold of ousted president Viktor Yanukovych. Protesters declared they supported "the aspirations of Crimea to rejoin Russia", referring to Ukraine's pro-Russia peninsula further south where Kiev has accused Moscow of launching an "armed invasion." AFP PHOTO/ ALEXANDER KHUDOTEPLY

Police hold back pro-Russian protesters waving Russian flags during a rally in front of the regional administration building in the industrial Ukrainian city of Donetsk on March 1, 2014. More than 10,000 people carrying Russian flags protested in the eastern Ukrainian city of Donetsk, the stronghold of ousted president Viktor Yanukovych. Protesters declared they supported "the aspirations of Crimea to rejoin Russia", referring to Ukraine's pro-Russia peninsula further south where Kiev has accused Moscow of launching an "armed invasion." AFP PHOTO/ ALEXANDER KHUDOTEPLY

Activists of the Russian "National Liberation Movement", one wearing a vest with a picture of Russian President Vladimir Putin, attend a rally to hand out leaflets in the industrial Ukrainian city of Donetsk on March 1, 2014. More than 10,000 people carrying Russian flags protested in the eastern Ukrainian city of Donetsk, the stronghold of ousted president Viktor Yanukovych. Protesters declared they supported "the aspirations of Crimea to rejoin Russia", referring to Ukraine's pro-Russia peninsula further south where Kiev has accused Moscow of launching an "armed invasion." AFP PHOTO/ ALEXANDER KHUDOTEPLY

In this photo taken Wednesday, Feb. 26, 2014, a man shouts pro-Russian slogans below a monument of Vladimir Ilyich Lenin, in Donetsk, eastern Ukraine. If Ukraine looks neatly delineated on maps, its history is a tangle of invasions and occupations and peoples and religions, a place of ill-defined borders that for centuries has been struggling to define itself. The modern nation is so sharply divided by culture and loyalty, split between allegiance to Moscow and allegiance to Western Europe, that it often can appear ready to simply snap in two. (AP Photo/Darko Bandic)

In this photo taken Wednesday, Feb. 26, 2014, pro-Russian activists address passers-by, in Donetsk, eastern Ukraine. If Ukraine looks neatly delineated on maps, its history is a tangle of invasions and occupations and peoples and religions, a place of ill-defined borders that for centuries has been struggling to define itself. The modern nation is so sharply divided by culture and loyalty, split between allegiance to Moscow and allegiance to Western Europe, that it often can appear ready to simply snap in two. (AP Photo/Darko Bandic)

In this photo taken Tuesday, Feb. 25, 2014, people gather below a statue of Vladimir Ilyich Lenin, in Donetsk, eastern Ukraine. If Ukraine looks neatly delineated on maps, its history is a tangle of invasions and occupations and peoples and religions, a place of ill-defined borders that for centuries has been struggling to define itself. The modern nation is so sharply divided by culture and loyalty, split between allegiance to Moscow and allegiance to Western Europe, that it often can appear ready to simply snap in two. (AP Photo/Darko Bandic)