- In Cardiff two men were arrested after a person with a machete waved near the Principality stadium where Friday's Justin Bieber concert takes place.
Tonight at the concert of the American teen idol, about 40,000 fans are expected. The show of Bieber's Purpose world tour will start at 19.00.
Letting eyewitnesses know Daily Mail knows there was a man in the car when he pulled a knife. At the time that security officers saw that, they picked him out of the car.
After a terrorist attack at the Ariana Grande concert on May 22 in Manchester, security around concerts has been greatly sharpened.