A woman reacts as she stands near the entrance to a burnt trade union building, the site of recent street battles between pro-Russian and pro-Ukrainian supporters, in Odessa
A woman reacts as she stands near the entrance to a burnt trade union building, the site of recent street battles between pro-Russian and pro-Ukrainian supporters, in the Black Sea port of Odessa May 4, 2014. Passions ran high in Odessa before local soccer team Chornomorets was due to play Kharkiv's Metalist. Fans who joined together to sing support for Ukraine's new leaders knew they might attract some trouble in the Russian-speaking city, but no one expected the chain of events that ended in the death of over 40 people. REUTERS/Gleb Garanich (UKRAINE - Tags: POLITICS CIVIL UNREST)
People bring flowers in memory of victims of recent street battles between pro-Russian and pro-Ukrainian supporters at a trade union building in Odessa
People bring flowers in memory of victims of recent street battles between pro-Russian and pro-Ukrainian supporters at a trade union building in the Black Sea port of Odessa May 4, 2014. Passions ran high in Odessa before local soccer team Chornomorets was due to play Kharkiv's Metalist. Fans who joined together to sing support for Ukraine's new leaders knew they might attract some trouble in the Russian-speaking city, but no one expected the chain of events that ended in the death of over 40 people. REUTERS/Gleb Garanich (UKRAINE - Tags: POLITICS CIVIL UNREST)
People bring flowers in memory of people killed in recent street battles between pro-Russian and pro-Ukrainian supporters outside a trade union building in Odessa
People bring flowers in memory of people killed in recent street battles between pro-Russian and pro-Ukrainian supporters outside a trade union building, with a Russian flag attached to a wall, in the Black Sea port of Odessa May 4, 2014. Passions ran high in Odessa before local soccer team Chornomorets was due to play Kharkiv's Metalist. Fans who joined together to sing support for Ukraine's new leaders knew they might attract some trouble in the Russian-speaking city, but no one expected the chain of events that ended in the death of over 40 people. REUTERS/Gleb Garanich (UKRAINE - Tags: POLITICS CIVIL UNREST)
A woman lights a candle in memory of people killed in recent street battles between pro-Russian and pro-Ukrainian supporters inside a trade union building in Odessa
A woman lights a candle in memory of people killed in recent street battles between pro-Russian and pro-Ukrainian supporters inside a trade union building in the Black Sea port of Odessa May 4, 2014. Passions ran high in Odessa before local soccer team Chornomorets was due to play Kharkiv's Metalist. Fans who joined together to sing support for Ukraine's new leaders knew they might attract some trouble in the Russian-speaking city, but no one expected the chain of events that ended in the death of over 40 people. REUTERS/Gleb Garanich (UKRAINE - Tags: POLITICS CIVIL UNREST)
Flowers and candles are placed in memory of people killed in recent street battles between pro-Russian and pro-Ukrainian supporters outside a trade union building in Odessa
Flowers and candles are placed in memory of people killed in recent street battles between pro-Russian and pro-Ukrainian supporters outside a trade union building in the Black Sea port of Odessa May 4, 2014. Passions ran high in Odessa before local soccer team Chornomorets was due to play Kharkiv's Metalist. Fans who joined together to sing support for Ukraine's new leaders knew they might attract some trouble in the Russian-speaking city, but no one expected the chain of events that ended in the death of over 40 people. REUTERS/Gleb Garanich (UKRAINE - Tags: POLITICS CIVIL UNREST)
A woman places flowers in memory of people killed in recent street battles between pro-Russian and pro-Ukrainian supporters outside a trade union building in Odessa
A woman places flowers in memory of people killed in recent street battles between pro-Russian and pro-Ukrainian supporters outside a trade union building, with a Russian flag attached to a wall, in the Black Sea port of Odessa May 4, 2014. Passions ran high in Odessa before local soccer team Chornomorets was due to play Kharkiv's Metalist. Fans who joined together to sing support for Ukraine's new leaders knew they might attract some trouble in the Russian-speaking city, but no one expected the chain of events that ended in the death of over 40 people. REUTERS/Gleb Garanich (UKRAINE - Tags: POLITICS CIVIL UNREST)
Armed and masked pro-Russian activist talks with woman at seized regional government headquarters in Luhansk, eastern Ukraine
An armed and masked pro-Russian activist talks with a woman at the seized regional government headquarters in Luhansk, eastern Ukraine, May 4, 2014. REUTERS/Vasily Fedosenko (UKRAINE - Tags: POLITICS CIVIL UNREST)
Women lay flowers in memory of people killed in recent street battles between pro-Russian and pro-Ukrainian supporters which took place in Odessa, at the seized regional government headquarters in Luhansk
Women lay flowers in memory of people killed in recent street battles between pro-Russian and pro-Ukrainian supporters which took place in Odessa, at the seized regional government headquarters in Luhansk, eastern Ukraine, May 4, 2014. REUTERS/Vasily Fedosenko (UKRAINE - Tags: POLITICS CIVIL UNREST)
Armed local cossacks Vitaly, his father Nikolay and uncle Sergey Klimenko pose for photo at checkpoint on outskirts of Luhansk
Armed local cossacks Vitaly (L), his father Nikolay (C) and uncle Sergey Klimenko pose for a photo at a checkpoint on the outskirts of Luhansk, eastern Ukraine, May 4, 2014. Pro-Russian activists are monitoring checkpoints on all roads leading to Luhansk, according to a representative of the activists. REUTERS/Vasily Fedosenko (UKRAINE - Tags: POLITICS CIVIL UNREST)
A woman reacts while holding carnations with a black and orange ribbon of St. George tied to them outside a trade union building, the site of recent street battles between pro-Russian and pro-Ukrainian supporters, in Odessa
A woman reacts while holding carnations with a black and orange ribbon of St. George, a symbol widely associated with pro-Russian protests, tied to them outside a trade union building, the site of recent street battles between pro-Russian and pro-Ukrainian supporters, in the Black Sea port of Odessa May 4, 2014. Passions ran high in Odessa before local soccer team Chornomorets was due to play Kharkiv's Metalist. Fans who joined together to sing support for Ukraine's new leaders knew they might attract some trouble in the Russian-speaking city, but no one expected the chain of events that ended in the death of over 40 people. REUTERS/Gleb Garanich (UKRAINE - Tags: POLITICS CIVIL UNREST)