UK - New terror alert system launched

The BBC reports.

The official level of terrorist threats to the UK has been made public on the websites of MI5 and the Home Office.
The launch of a new system follows criticism by a parliamentary committee of alert levels before last year's 7 July bombings in London.

Levels of alert have been reduced from seven to five - low, moderate, substantial, severe and critical.

On Tuesday morning the MI5 website said the threat was "severe", which meant an attack was "highly likely".

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