Photos: A devastating earthquake hits Turkey and Syria

Emergency team members search for people in a destroyed building in Adana, Turkey on Monday.

Rescue workers and volunteers search for survivors in the rubble of a collapsed building, in Sanliurfa, Turkey on Monday, after a 7.8-magnitude earthquake struck the country's south-east.

Aleppo's ancient citadel is damaged following a deadly earthquake that shook Syria and Turkey.

Search teams and residents look for victims and survivors in the rubble of collapsed buildings, following an earthquake in the town of Sarmada in the countryside of the northwestern Syrian Idlib province.

People evacuate their homes following a deadly earthquake that shook Syria at dawn in Aleppo's Salaheddine district.

Syrian rescue teams look for survivors under the rubble after a 7.8 magnitude earthquake in the government-controlled central Syrian city of Hama on Monday. The earthquake hit Turkey and Syria killing hundreds of people as they slept, leveling buildings and sending tremors that were felt as far away as the island of Cyprus, Egypt and Iraq.

This aerial view shows residents searching for victims and survivors amidst the rubble of collapsed buildings following an earthquake in the village of Besnia near the town of Harim, in Syria's rebel-held northwestern Idlib province on the border with Turkey, on Monday.

Rescue workers and medical teams try to reach trapped residents in a collapsed building following an earthquake in Diyarbakir, southeastern Turkey, early Monday. A powerful earthquake has caused significant damage in southeast Turkey and Syria and many casualties have been reported.

A man covers his face as people search for survivors through the rubble in Diyarbakir, Turkey, after a 7.8-magnitude earthquake struck the country's south-east.

People search for survivors in Diyarbakir, Turkey, on Monday, after a 7.8-magnitude earthquake struck the country's south-east.

Residents retrieve a child from the rubble of a collapsed building following an earthquake in the town of Jandaris, Syria.

Residents stand in front of a collapsed building following an earthquake in the town of Jandaris, Syria.

Syrian civilians and members of the White Helmets conduct search and rescue operations in the rubble of a collapsed building.

A member of the Syrian civil defense, known as the White Helmets, carries a child rescued from the rubble following an earthquake in the town of Zardana in the countryside of the northwestern Syrian Idlib province, early on Monday.