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Seventy years after the Allied bombing raids of Dresden in 1945, a British man who witnessed the attack from the ground has described it as "evil."

An estimated 25,000 people were killed in the resulting firestorm, which destroyed 13 square miles of the city and created hurricane force winds.

Victor Gregg was being held by Germans as a prisoner of war when the attack started. He described how old people, women and children were "swept up into the central bonfire" because of the "tornado winds".

"The normal brain would never take it in," he said. "It was terrible, demonic, evil."

This clip is originally from 5 live Breakfast on Friday 13 February 2015.