Carla del Ponte looks on during a press conference in Geneva.
Media playback is unsupported on your device

Syria conflict: UN report says violence is worsening

A United Nations report says the conflict in Syria is becoming increasingly violent, militarised and sectarian.

It says both pro and anti-government forces have committed war crimes and has encouraged the international community to curb the supply of weapons.

Tom Donkin reports.

Go to next video: UN: Syria 'crimes against humanity'