France and Belgium face ‘imminent terror attack’ from armed Isil commandos who left Syria a week ago, warns Belgian intelligence

The chilling warning that two-men groups were on the verge of striking emerged just hours before the kick off of France’s second Euro 2016 game against Albania in Marseille and a day after a Frenchman who killed a police commander in the name of Isil warned that the Euro would become a “graveyard”.