UPDATE

ISTANBUL: Turkey's state-run news agency says death toll in coup violence rises to about 90 with 1,154 wounded.

At least 60 people killed in Turkey during attempted military coup overnight

At least 60 people were killed during an attempted military coup in Turkey overnight, a senior official said on Saturday.

Turkish authorities detained 336 people after military officers staged a coup attempt overnight, Justice Minister Bekir Bozdag said on Saturday.

The arrests occurred across the country, he told broadcaster CNN Turk.

An email from the Turkish military General Staff's press office address said on Saturday the faction of officers behind an attempted military coup overnight was still determinedly fighting all those who try to oppose it.

Calling itself the Peace at Home Movement, the faction also called on people to stay indoors for their own safety.

Erdogan supporters attack surrendering Turkish pro-coup soldiers

Supporters of Turkish President Tayyip Erdogan attacked a group of soldiers who had surrendered on an Istanbul bridge after taking part in an attempted coup overnight, before police intervened to rescue them, a Reuters witness said.

Erdogan had repeatedly urged his supporters to take to the streets to help put down the coup attempt, which he said had been carried out by a faction of the armed forces loyal to his arch foe, US-based cleric Fethullah Gulen.