Gareth McAuley and Niall McGinn were the heroes as Northern Ireland beat Ukraine 2-0 in the lashing rain in Lyon to record their first ever European Championship victory.
England face Wales in the all-British tie of Euro 2016.
Hosts France became the first team to qualify for the knockout stages after late goals from Antoine Griezmann and Dimitri Payat crushed brave Albanian resistance in Marseille.
Honours even in Paris as Switzerland come from behind to secure a deserved point against Romania.
Slovakia defeat Russia in day's opening game.
Marek Hamsik produced the best individual performance of the tournament so far to lead Slovakia to a 2-1 victory over Russia in Lille.
Brian Glanville lambasts Uefa for their failure to spot the potential for trouble in Marseille.
Iceland marked their debut at a major international tournament by securing a remarkable draw against Portugal.
Unfancied Hungary pulled off one of the surprises of the tournament so far when they beat 10-man Austria 2-0 in Bordeaux.
Russia has form for trouble at European Championships.