London police chief warns terror attack a case of 'when, not if'

LONDON (Reuters) - Britain cannot be fully protected against terrorism and an attack similar to those seen recently in mainland Europe is a question of "when, not if," London's police chief said on Sunday.

from Reuters: Top News http://uk.reuters.com/article/uk-britain-security-idUKKCN10B0H7?feedType=RSS&feedName=topNews