An injured man takes off a t-shirt after an explosion downtown Prague, Czech Republic, Monday, April 29, 2013. Police said a powerful explosion has damaged a building in the center of the Czech ... more 
An injured man takes off a t-shirt after an explosion downtown Prague, Czech Republic, Monday, April 29, 2013. Police said a powerful explosion has damaged a building in the center of the Czech capital and they believe some people are buried in the rubble. (AP Photo/Petr David Josek) less 
1 / 30
Associated Press | Photo By Petr David Josek
Mon, Apr 29, 2013 5:31 AM EDT