The assertion added: “All tickets will likely be mechanically refunded throughout the subsequent 10 working days.”

Earlier, Austria’s Basic Director for Public Safety, Franz Ruf, stated a 19-year-old Austrian citizen had been arrested on Wednesday morning in Ternitz within the province of Decrease Austria.

He stated a second arrest happened in Vienna within the afternoon, however gave no additional particulars concerning the suspect.

“In accordance with the present standing of the investigation, the 2 suspects grew to become radicalised by way of the web,” Mr Ruf stated.

He stated the 19-year-old made “an oath of allegiance” to so-called Islamic State at the start of July.

A big police operation happened in Ternitz, the place the 19-year-old lived. A lot of homes close by had been evacuated whereas his house was searched.

Mr Ruf stated chemical substances had been discovered and had been being examined.

Austrian Chancellor Karl Nehammer stated in a put up on X that the cancellations could be a “bitter disappointment for all followers” however that the scenario had been “very critical”.

“Due to the intensive cooperation of our police and [security agencies] with international providers, the risk was acknowledged early, combated and a tragedy prevented.”

The pinnacle of police in Vienna, Gerhard Pürstl, stated 65,000 individuals per day had been anticipated to attend the live shows, in addition to 22,000 followers exterior the venue.

Investigations are persevering with.