Members of the UN investigation team take samples from sand near a part of a missile that is likely to be one of the chemical rockets according to activists
Media playback is unsupported on your device
Video

Can Syria's chemical arsenal be 'hunted down'?

Russia has claimed it has a "concrete plan" to put Syria's chemical weapons under international control.

The country's foreign minister Sergei Lavrov said Moscow was "preparing a concrete proposal which will be presented to all interested sides, including the US".

Frank Gardner reports.

  • 10 Sep 2013
Go to next video: 'We have decided to take initiative'