'It's OK to kill non-Muslims': radical clericSegments of taped messages have been posted on Web siteMichael Petrou The Ottawa Citizen LONDON -- A radical London-based Muslim cleric has been caught on film urging his followers to kill non-Muslims and commit acts of terrorism. Tapes of Sheik Abu Hamza, a cleric affiliated with London's Finsbury Park mosque, telling an audience that non-believers should be killed or sold into slavery have been smuggled onto the Internet. The tapes, which appear to have been made for propaganda purposes, were allegedly given by Mr. Hamza to a researcher who posed as a supporter and...