Scotland Yard Commissioner Sir John Stevens reinforced his view that there has been a "quantum leap" in the general threat from terrorism following a series of bombings across the globe.

Al Qaida terrorists have a "substantial presence" in the UK, and the risk of attacks remains "high", according to the most senior police officer in England and Wales. Metropolitan Police ...

Metropolitan Police Commissioner Sir John Stevens said the suspected al Qaida train bombings in Spain that killed more than 200 people should serve as a wake-up call. Just days after he warned ...

Metropolitan Police Commissioner Sir John Stevens has urged the public to be vigilant to potential terrorist activity over the festive period. Sir John told BBC Radio 4's Today programme ...