Hearts’ match against Thun was delayed by eight minutes as smoke billowed across the pitch.The Conference League match in Switzerland had kicked-off, only for the home fans to let off a deluge of pyrotechnics.The pitch was barely visible in SwitzerlandThe Hearts penalty area was engulfed in smoke and the referee called a temporary halt to proceedings.Such was the thickness of the wave of smoke, it took eight minutes for it clear.A Hearts statement on social media read: “Well, we did kick-off, but the game was almost immediately stopped, due to smoke from pyrotechnic devices let off in the home end.“Should be back underway in the next minute or so.”Around 2,500 Hearts fans have travelled to Switzerland for the match.A minute silence was held in honour of Tenerife striker Jesus de Miguel, who died in a Spanish second tier match this week.Once play did resume, the only fireworks on the pitch were in the Hearts box.Two dreadful errors saw Thun take a two-goal lead going into the half-time break.Nine minutes were added on in total at the end of the first 45.Hearts verdictHearts boss Wouter Vrancken outlined how he saw the game would play out when speaking ahead of the match.Vrancken saw his Hearts side go down 2-0 in the first halfGetty“They have a good team, they have a lot of energy, they have a lot of intensity.“They have a direct player who’s going fast forward a lot of moments, with a lot of energy, good quality players also in front.“We have to be spot on, we have to be on our level and to make the result. And the result is to try to get a win here.“I’m confident in the players that they are mentally ready to play the game, because they showed it already a few times this season that they can bounce back and in performance.“Concern (about the pitch)? No. We played Falkirk. I think it’s similar with Falkirk. So we have to cope with it.“We don’t have to look for excuses in this way. We can now train on it and go full tomorrow.“I’m not thinking about injuries. I’m just thinking about winning the game.”