"So very unfortunate, very lucky for Sweden, they scored the goal, winning the game on that and now in the in the quarter-finals".
David Hytner's match report from the St Petersburg Stadium will follow.
As for Switzerland, they are undefeated in Russian Federation and will be targeting an appearance in the final eight for the first time since 1954, in the tournament which they hosted. Lang was sent off for the challenge. The winger picked up a pass on the edge of the penalty area and hit a low drive in the direction of Sommer.
Switzerland was fortunate to still be alive at that point. They had to change half of their defence for the knockout fixture, Stephan Lichtsteiner and Fabian Schar were both ruled out through suspension, yet it was in attack where they struggled the most.
"It's the biggest goal of my career, one of the biggest moments in my career too".
The Swedes were limited but played to the strengths that got them past Italy in the two-leg World Cup playoff and to the top of a group containing defending champion Germany, Mexico and South Korea. He'd spent most of the previous 65 minutes opening up the Swiss at will.
A blow for Sweden is that they will battle the Swiss without the services of influential midfielder Sebastian Larsson whose incisive crosses and set-pieces have proven useful in the tournament.
You can stream every World Cup match on fuboTV (Try for free).
Lustig dragged a long-range attempt in the first half sideways and it went out for a throw-in.
There was another success for the video assistant referee.
It didn't matter, though.
Switzerland are led by Arsenal's Granit Xhaka, Stoke City's Xherdan Shaqiri and Bologna's Blerim Džemaili, who spent a year ago on loan at the Montreal Impact in MLS.