ISTANBUL (AP) — Officials say a military helicopter with five soldiers on board has crashed in an Istanbul neighborhood, killing four of them. The fifth soldier was rushed to a hospital with injuries.

Anadolu Agency said the helicopter, which was on a training mission, on Monday hit the roof of a building and crashed in between apartment blocks in Istanbul's Sancaktepe neighborhood, on the Asian side of the city that straddles two continents.

No one else was hurt in the incident.

The cause of the accident was not immediately clear.