In pictures: Search and rescue operations under way

As daylight broke, the scale of the devastation across Turkey and Syria became clear.

Search and rescue operations take place in Turkey's Kahramanmaras province

Emergency personnel search for victims at site of collapsed building in Diyarbakir, Turkey

People search through rubble in Diyarbakir, Turkey

A rescue worker carrying a child in the rebel-held Syrian city Azaz

Search continues for victims at site of collapsed building in Diyarbakir, Turkey