MI6 chief’s chilling warning: We can’t stop terror attacks

THE security forces are virtually powerless to stop atrocities like the Woolwich murder, a former MI6 chief admitted.

Amid growing fears of copycat attacks and rising community tensions, Richard Barrett said preventing such terror attacks was “incredibly hard”.

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“I think it is incredibly hard to stop,” he said. “When does a person who expresses radical views, who joins a radical group, flip over to be a violent extremist? To find the signals, the red flags as it were, I think is enormously hard.