Injured people sit on a sidewalk after a explosion downtown Prague, Czech Republic, Monday, April 29, 2013. Police said a powerful explosion has damaged a building in the centre of the Czech capital ... more 
Injured people sit on a sidewalk after a explosion downtown Prague, Czech Republic, Monday, April 29, 2013. Police said a powerful explosion has damaged a building in the centre of the Czech capital and they believe some people are buried in the rubble. (AP Photo/Petr David Josek) less 
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Associated Press | Photo By Petr David Josek
Mon, Apr 29, 2013 5:31 AM EDT