Migrants drown

Dozens drown as migrant boat capsizes off Tunisia

Sixteen people were rescued, UNHCR said in a statement.

Survivors say the boat left Zuwara in Libya on Thursday and ran into trouble during strong waves.

The incident is thought to be one of the deadliest shipwrecks involving migrants since the start of the year.

The survivors were brought to the coast by the Tunisian Navy and are awaiting permission to disembark. One person has been transferred to hospital for medical treatment, the UNHCR says.