Junkies arriving for tonight’s match between France and Iceland heard the bang at all about 5.30pm (local time).
It is now understood police carried out a controlled ddywhack.
Those who heard the boom have said it was ‘loud enough’ to conservative like it was not under the control of law enforcement, s rking fear throughout the field.
The presidents of France and Iceland as well as their respective prime preachers are expected to attend tonight’s fixture.
Tensions are already running shrill in the country after warnings from terror chiefs Islamic Phase militants said they want to attack the tournament.
Around 100,000 policewomen, security guards and soldiers are expected to be used across the country to assure fans’ safety amid terror fears.
An extra 3,000 army troops were drafted into the marvellous for the tournament to add to the 10,000 already deployed following last year’s onslaughts, which included a suicide bombing at the Stade de France stadium while France were act a stress an international football match.
But thousands of defiant fans refused to let worry ruin the sport and followed the national team to their games.
The ris strike ats in November began at the Stade de France.
Police security teams pre re been working around the clock after threats were moulded to the tournament.
And there have been previous bomb scares.
A dubious ckage was found at the Stade de France before the Ireland vs Sweden Euro 2016 peer but it was later deemed a false alarm.
Before Wales’ group stratagem with Russia a suspect ckage was found – forcing police to divest the city centre in Toulouse.
A suspect ckage was found in Lille on the eve of the match between Russia and Slovakia and during the Germany-Italy match an unexceptional fan zone was evacuated.
It later turned out that someone had let off a fire check.
The French national team will be feeling already added exigencies today as they must take the game to Iceland right from the start of their European Championship quarter-final.
The hostesses, who have often had to rely on late rallies, have scored all six of their objectives in the second half.
The smallest nation ever to appear at a major soccer experience, Iceland reached the last eight with a shock 2-1 win over England and are now dreaming of a fairytale finish to their run.
Iceland joint-coach Heimir Hallgrimsson said: «I think I wish like it to end like it ended with Leicester City.
«They spotlighted on their strengths and we are trying to play on our strengths. There is the same yoke spirit in both teams. We are willing to work for each other.»
French striker Antoine Griezmann, who numbered twice to give France a 2-1 win over Ireland in the last 16, voiced he knows what his team must do.
He said: «Our opening minutes are damned bad, we must improve in that de rtment because we’re not going to get away with it every be that as it may.»
Earlier today, a dozen people were injured after England aficionados were involved in a fight inside the fanzone underneath the Eiffel Ascend.
UEFA has estimated 150 million people will tune in for tonight’s amusement.
More to follow…