Commissioner of the Metropolitan Police Service Bernard Hogan-Howe speaks at the London School of Economics in London January 16, 2012. It means an attack is highly likely -- you could say it is a case of when, not if." "Our threat level has been at "severe" for two years -- it remains there. 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. "I feel and understand that fear, and as the police officer in charge of preventing such an attack, know that you want me to reassure you.

Source: Thanhnien News July 31, 2016 12:00 UTC