In pictures: Afghan quake

The scale of the destruction caused by the earthquake in northern Afghanistan is becoming clearer.

The quake, which measured 6.0 on the Richter scale, devastated six villages in the Hindu Kush mountains.

It is a region already suffering the effects of drought, war and food shortages.

The town of Nahrin was almost completely destroyed.

Thousands of people were left homeless when their mud brick houses collapsed.

An estimated 20,000 homes were lost.

Nahrin residents suddenly found themselves without shelter in cold weather

About 4,000 people were injured in the quake

United Nations aid workers are coordinating relief efforts in the region

Medecins Sans Frontieres sent two medical teams - one from Baghlan and another from Taloqan in neighbouring Takhar province

The International Security Assistance Force (ISAF) set up an emergency medical centre in Nahrin