2 German police copters crash; pilot killed

Rotors of 2 helicopters apparently hit each other

From Frederik Pleitgen CNN
POSTED: 03:48 AM PDT Mar 21, 2013    UPDATED: 04:48 AM PDT Mar 21, 2013 
Police lights file
BERLIN, Germany (CNN) -

A helicopter pilot died after two police helicopters crashed at Berlin's Olympic Stadium in Germany on Thursday, police said.

Two other people were severely injured and several others moderately or slightly injured.

Rotors of the two helicopters apparently hit each other as they were landing, federal police spokesman Meik Gauer said.

The cause of the crash, which happened about 10:15 a.m. (5:15 a.m. ET), is not yet known, police said.