Undercover police officer accused of setting fire to Debenhams store in 1987

Inquiry into spy cops' scandal hears Bob Lambert caused 340,000 of damage while posing as animal rights activist

New evidence has emerged to suggest that an undercover police officer set fire to a high street department store while posing as a committed animal rights activist, causing damage worth 340,000, a public inquiry has heard.

The accusation against Bob Lambert, who also fathered a child while undercover and later became a senior police officer, is contained in testimony from one of the conspirators in the arson plot.