UPDATE 1-UK?s Cameron unveils anti-extremism plan, urges internet firms to help
UPDATE 1-UK?s Cameron unveils anti-extremism plan, urges internet firms to help
LONDON, July 20 (Reuters) - Prime Minister David Cameron set out a five-year strategy to tackle extremism in Britain on Monday, vowing to take on those responsible for radicalising young British Muslims and demanding that internet companies do more to help.