Aerial footage shows the aftermath of a deadly multi-vehicle pile-up on a highway in southeastern Bulgaria, where 11 people were killed and dozens injured, according to state media.
The crash involved dozens of vehicles and occurred in thick fog near Yambol, on the highway connecting the capital Sofia with the Black Sea city of Burgas.
Images from the scene show extensive vehicle wreckage scattered across the road, as emergency vehicles arrive to respond to the incident.
