Brazilian military police helicopter down in Rio, killing 4

A major news portal in Brazil is reporting that a military police helicopter crashed in Rio de Janeiro, killing the four officers on board.
G1 reported on yesterday evening that the crash happened near the City of God slum. It was unclear what caused the crash or if anybody on the ground had been hurt.
The helicopter reportedly was helping with an anti-drug operation in the area. Military police spokesman Maj. Ivan Blaz told G1 that initial indications were the chopper had been forced down. Blaz did not elaborate.
Calls to military police officials seeking more details were not immediately returned.

Images on local television stations showed a white and blue helicopter broken in many pieces.