Ukraine

3199c997e4d17c11530f6a7067004027.jpg

Pro-Russian gunmen carry the coffin of a person killed during last week's operation, during a commemorative service in the center of Slovyansk, eastern Ukraine, Wednesday, May 7, 2014. The U.S. and European nations have increased diplomatic efforts ahead of Ukraine's May 25 presidential election, as a pro-Russian insurgency continues to rock the country's eastern regions. (AP Photo/Darko Vojinovic)

adafb602e5877f11530f6a70670054c3.jpg

An Orthodox priest sprinkles water during a religious ceremony in front of the coffins of four people killed during last week's operation, in the center of Slovyansk, eastern Ukraine, Wednesday, May 7, 2014. The U.S. and European nations have increased diplomatic efforts ahead of Ukraine's May 25 presidential election, as a pro-Russian insurgency continues to rock the country's eastern regions. (AP Photo/Darko Vojinovic)

2dbc5740e4d47c11530f6a706700cac9.jpg

Relatives mourn in front of the casket of a person killed during last week's operation, during a commemorative service in the center of Slovyansk, eastern Ukraine, Wednesday, May 7, 2014. The U.S. and European nations have increased diplomatic efforts ahead of Ukraine's May 25 presidential election, as a pro-Russian insurgency continues to rock the country's eastern regions. (AP Photo/Darko Vojinovic)

9f5dd600e4d97c11530f6a70670066a0.jpg

Relatives mourn in front of the casket of a person killed during clashes between Ukrainian and pro-Russian forces last week, during a commemoration service in the center of Slovyansk, eastern Ukraine, Wednesday, May 7, 2014. The U.S. and European nations have increased diplomatic efforts ahead of Ukraine's May 25 presidential election, as a pro-Russian insurgency continues to rock the country's eastern regions. (AP Photo/Darko Vojinovic)

42f7bd32e4e77c11530f6a70670008bc.jpg

An Orthodox priest attends a religious ceremony in front of the coffins of four people killed during last week's operation, in the center of Slovyansk, eastern Ukraine, Wednesday, May 7, 2014. The U.S. and European nations have increased diplomatic efforts ahead of Ukraine's May 25 presidential election, as a pro-Russian insurgency continues to rock the country's eastern regions. (AP Photo/Darko Vojinovic)

192bbf50e4ed7c11530f6a706700d9d9.jpg

People shout slogans during a commemoration service of four people killed during clashes last week between Ukrainian and pre-Russian forces, in the centre of Slovyansk, eastern Ukraine, Wednesday, May 7, 2014. The U.S. and European nations have increased diplomatic efforts ahead of Ukraine's May 25 presidential election, as a pro-Russian insurgency continues to rock the country's eastern regions. (AP Photo/Darko Vojinovic)

c4ed5defe4eb7c11530f6a70670084df.jpg

Pro-Russian gunmen carry the coffin of a person killed during clashes last week between Ukrainian and pre-Russian forces, during a commemoration service in the center of Slovyansk, eastern Ukraine, Wednesday, May 7, 2014. The U.S. and European nations have increased diplomatic efforts ahead of Ukraine's May 25 presidential election, as a pro-Russian insurgency continues to rock the country's eastern regions. (AP Photo/Darko Vojinovic)

1b4adec7e4db7c11530f6a7067008501.jpg

Relatives mourn in front of coffins of four people killed during clashes last week between Ukrainian and pre-Russian forces, during a commemoration service in the center of Slovyansk, eastern Ukraine, Wednesday, May 7, 2014. The U.S. and European nations have increased diplomatic efforts ahead of Ukraine's May 25 presidential election, as a pro-Russian insurgency continues to rock the country's eastern regions. (AP Photo/Darko Vojinovic)

54d12cebe5877f11530f6a706700beb8.jpg

Relatives mourn in front of the coffins of four people killed in last week's operation, during a commemorative service in the center of Slovyansk, eastern Ukraine, Wednesday, May 7, 2014. The U.S. and European nations have increased diplomatic efforts ahead of Ukraine's May 25 presidential election, as a pro-Russian insurgency continues to rock the country's eastern regions. (AP Photo/Darko Vojinovic)

b628c880e4e87c11530f6a706700182f.jpg

Men carry the coffin of a person killed during last week's unrest, during a commemorative service in the center of Slovyansk, eastern Ukraine, Wednesday, May 7, 2014. The U.S. and European nations have increased diplomatic efforts ahead of Ukraine's May 25 presidential election, as a pro-Russian insurgency continues to rock the country's eastern regions. (AP Photo/Darko Vojinovic)