MOSCOW, Oct. 29 (Xinhua) -- A helicopter crashed in Moscow's outer district of Zhulebino, injuring four people, local police said Tuesday.
"The helicopter was found lying on the ground away from apartment blocks," police told reporters.
According to rescuers, two explosions were heard and fire seen at the scene of the crash.
Police said two pilots ejected themselves from the falling helicopter, suffering non-life-threatening injuries. Two people on the ground were also hurt.
Police also said the helicopter was a KA-52 military helicopter on a test flight.
In March 2012, another KA-52 craft crashed in Tver region, killing two pilots.
