It was a simple rack of leaflets that gave away the role of the Westminster attacker in one of Britain's most hardline mosques.

Khalid Masood was a public contact person for calltoislam.com, until last week the main website of the Luton Islamic Centre mosque.

Masood's name, a phone number that The Sunday Times has confirmed as his, and the calltoislam.com web address appear on stickers attached to leaflets on display at the mosque. One of the leaflets was picked up from the mosque's lobby by a reporter for this paper.

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