Magnitude 6 earthquake in eastern Afghanistan leaves at least 800 dead

Rescue efforts hampered by steep terrain after shallow quake that was felt more than 100 miles away in Kabul

• Afghanistan earthquake - latest updates

A powerful earthquake that hit eastern Afghanistan has left more than 800 people dead and injured about 2,500, according to Taliban officials.

The magnitude 6 earthquake hit four provinces in eastern Afghanistan around midnight on Sunday, with the rugged, mountainous region of Kunar the worst affected, triggering landslides and flooding.