metre

On 20 April after an international teleconference headed by the CAA, it was agreed that 2 milligrams of ash per cubic metre of air was an acceptable safe ash concentration.

Within Afghanistan, carpets sell for far less - between $100-$150 per square metre.

The recently destroyed building lies just metres from the school.

Four police cars could also be seen, he said, with one a few metres down the road appearing to be the most severely damaged.

"The water has reached 1.5 metres high. We have just managed to save ourselves, the rest is trapped in our homes," Christophe Bola who lives in the Ndanu area told the AFP news agency.