More than 4,000 killed in Turkey, Syria after powerful earthquake and aftershocks

Here’s what to know

• At least 2,900 people were killed and nearly 16,000 injured in Turkey, state media said.
• In Syria, 711 people have been reported killed so far, with more than 1,400 injured, in government-controlled regions, mostly in Latakia, Hama, Aleppo and Tartus, according to state media reported.
• The death toll in rebel-held northwestern Syria is at least 740, according to a representative of the Syrian Civil Defense, an aid group that works in areas outside government control; more than 2,000 civilians were injured, with hundreds trapped under rubble and dozens of buildings collapsed, the group said.
• The quake could be the largest recorded in the region, which sits on an earthquake-prone belt known as the Anatolia fault, one seismologist said.