Death toll nears 1,800

Turkish and Syrian officials have said the death toll jumped to at least 1,797. 

In Turkey, 1,014 have been killed and some 2,824 buildings destroyed, the head of the disaster and emergencies management agency (Afad) Yunus Sezer said.

Syria's ministry of health said 403 were killed and 1,284 were injured in government-controlled areas. The volunteer rescue group Syria Civil Defence in the opposition-held northwestern region said 380 were killed and more than 1,000 were injured.