A huge manhunt is taking place in Turkey after a gunman targeted a crowded Istanbul nightclub during New Year celebrations, killing at least 39 people before fleeing.

Turkish police are hunting a gunman who opened fire at an Istanbul nightclub during new year celebrations, killing at least 39 people

Twin attacks by a suicide bomber and a car bomber near an Istanbul football stadium have killed 38 people.

Update 9.05pm: It is being reported at least 13 people have been killed following an explosion in Istanbul.