$ 0 0 Armed to the teeth and sporting military fatigues, the officers are part of a counter-terrorism unit Elite Scotland Yard squad arrived in huge armoured vehicles to throw a ring of steel around Wembley Stadium The marksmen were also toting their new lightweight, semi-automatic SIG 516 rifle for the friendly match They came out of the shadows in the wake of the massacre of 129 people in Paris on FridayHeightened terror threat was confirmed when Germany v Holland was called off due to a 'concrete' bomb threatSHARE PICTURE+7Armed to the teeth and sporting military fatigues and a combat helmet, the officer is part of a counter-terrorism unit unveiled at Wembley last night