Security heightened 'considerably' at Champions League clashes including Arsenal and Man City amid ISIS attack fears as Met Police say they are 'aware of the threat'

The Met are ‘aware’ of an apparent threat by ISIS against stadiums hosting Champions League games this week – while authorities in Spain and France say they are ‘on alert’ and have stepped up security plans.

The Al Azaim Foundation, a media channel responsible for spreading messages from the ISIS-K branch of the terror group – the same branch suspected by US intelligence of being behind last month’s attack in Moscow – shared a post threatening an attack on all four stadiums playing host to…