• Rescue workers wait to search the rubble by hand at sunrise following the completion of rescue work by heavy machinery, at the scene of a building collapse in the eastern district of Nyagatare, Rwanda Wednesday, May 15, 2013.

    In a statement police described the incident in the eastern Rwanda district of Nyagatare as "an unfolding tragedy," but it was not clear what caused the collapse.

    LAST UPDATE : May 15, 2013, 1:40 PM EDT