Texas explosion: 'Nearby nursing home evacuated'
18 April 2013 Last updated at 05:48 BST
Dozens of people are reported injured and others are trapped in burning buildings after an explosion at a fertiliser plant near Waco in the US state of Texas.
Firefighters, ambulances and six helicopters have been mobilised to deal with the situation.
George Smith from the West Emergency Services in Texas told the BBC that he had been helping to evacuate the injured.