Five boys aged between 11 and 15 are due in court charged over a fire at a school in Leyland last September. Parts of St Mary's Catholic Technology College had to be demolished and extensive re-building is still needed.
The building, which was built in 1957, had no sprinklers.
Lancashire police released a statement confirming the boys from Leyland, have been charged with "arson with intent/reckless as to whether life was endangered and arson with intent to endanger life."
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Quiet and cloudy. Dense fog through Cheshire on Sunday night
Gulf War veteran Paul Briggs' widow, Lindsey, 40, launched legal action to have his life support withdrawn so he could "die with dignity".
Mainly settled, cloudy and cold by day this weekend. Fog and frost becoming more extensive each night