Army helicopter crashes in residential district Istanbul

istanbul - An army helicopter crashed in a residential area in the Turkish city of Istanbul. In addition, at least four passengers were killed and one was injured, reports the governor of the city.

The helicopter was engaged in a training flight from the air base Samadira. The cause of the crash is not yet known. The aircraft crashed in the Sancaktepe district in the Asian part of the city.

Images show that wreckage is spread across a street. It is not yet clear whether there have also been casualties on the ground.