Salah Abdeslam ‘seen by Belgian police posing with Isil flag’ three weeks before Paris attacks

Belgian authorities spotted Paris attacks suspect Salah Abdeslam posing on Facebook with an Islamic State flag three weeks before the November 13 massacre, but failed to follow up, Belgian broadcaster RTBF reported on Tuesday.

Although the national terror threat centre was told about the photo in October, security officials failed to take a closer look, RTBF said, without identifying its sources.

The revelation is the latest example of failures by Belgian police in the months leading up to the attacks in the French capital that killed 130 people.