Today's news through pictures from Colorado and around the world

Stanislas Wawrinka of Switzerland, returns the ball to Roger Federer of Switzerland during the final match of the Monte Carlo Tennis Masters tournament in Monaco, Sunday, April 20, 2014. (AP Photo/Michel Euler)
Stanislas Wawrinka of Switzerland, returns the ball to Roger Federer of Switzerland during the final match of the Monte Carlo Tennis Masters tournament in Monaco,...
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In this April 10, 2014 photo, luxury high-rise buildings line the seafront, in Beirut Lebanon. One by one, the old traditional houses of Beirut are vanishing as...
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In this Feb. 23, 1965 file photo, Rubin "Hurricane" Carter, left, knocks out Italian boxer Fabio Bettini in the 10th and last round of their fight at the Falais...
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People stand at a barricade at the regional administration building that they had seized earlier in Donetsk, Ukraine, Sunday, April 20, 2014. The Ukrainian and Russian governments are reporting a shootout at a checkpoint set up by pro-Russian insurgents in eastern Ukraine that has left one person dead and others hospitalized with gunshot wounds. (AP Photo/Sergei Grits)
People stand at a barricade at the regional administration building that they had seized earlier in Donetsk, Ukraine, Sunday, April 20, 2014. The Ukrainian and...
DANIEL MAUSER -- student -- dead in massacre at Columbine High School. (Photo via Denver Post)
DANIEL MAUSER -- student -- dead in massacre at Columbine High School. (Photo via Denver Post)
In this May 18, 2013 file photo released by mountain guide Adrian Ballinger of Alpenglow Expeditions, climbers make their way to the summit of Mount Everest, in...
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In this March 7, 2014 file photo Texas Gov. Rick Perry speaks at the Conservative Political Action Committee annual conference in National Harbor, Md. Perry has spent a record 14 years in office, but with eight months left he is now the focus of a grand jury investigation over a veto last summer. (AP Photo/Susan Walsh, File)
In this March 7, 2014 file photo Texas Gov. Rick Perry speaks at the Conservative Political Action Committee annual conference in National Harbor, Md. Perry has...
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Los Angeles Clippers forward Blake Griffin, right, talks to referee Sean Wright after receiving his fifth foul of the game during the second half in Game 1 of an opening-round NBA basketball playoff series against the Golden State Warriors, Saturday, April 19, 2014, in Los Angeles. The Warriors won 109-105. (AP Photo/Mark J. Terrill)
Los Angeles Clippers forward Blake Griffin, right, talks to referee Sean Wright after receiving his fifth foul of the game during the second half in Game 1 of an...
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