A “distorted” Channel 4 documentary about Muslim extremism that enraged community leaders and resulted in a fruitless police investigation will now be the subject of an Ofcom inquiry. West Midlands Police made a formal complaint over a Channel 4 Dispatches film that participants and race crime prosecutors claim was edited in a misleading manner. Undercover Mosque, broadcast in January, featured footage shot at a number of mosques, including one at which a preacher praised the Taleban for killing British soldiers. Channel 4 said that the programme revealed how a message of hatred and segregation was being spread by some Islamic...