Suspect wanted 'to kill as many people as possible' at Taylor Swift ...

Austrian officials say one of the two men arrested over an alleged terror plot to attack people at a Taylor Swift concert has confessed.

Swift's three sold-out stadium shows in Vienna, which had been due to start from Thursday, have been cancelled.

Swift will head to London for five performances at Wembley Stadium, which police say will go ahead.

Austrian authorities say one of the two men arrested over an alleged plot to carry out a terror attack at a Taylor Swift concert has confessed to planning "to kill as many people as possible" outside the venue.

The revelation comes less than 24 hours after promoters announced Swift's three shows in Vienna would be scrapped amid concerns about an imminent threat.

Austrian police arrested two men over the alleged plot.

The country's top law-enforcement official, Omar Haijawi-Pirchner, on Thursday told reporters that one of the suspects, aged 19, was "clearly radicalised in the direction of the Islamic State and thinks it is right to kill infidels".

Mr Haijawi-Pirchner said the man had confessed to a plan which he began devising in July to use knives and home-made explosives to try to kill as many people as possible outside the stadium.

Authorities say they found bomb-making materials during a raid on the man's home in Ternitz, south of Vienna.

When he was arrested on Wednesday, authorities claimed the man had pledged allegiance to Islamic State.

Meanwhile, at the home of the second suspect — aged 17 — officials claim they found Islamic State and Al Qaeda materials.

It's understood the boy had recently been employed by a company providing services at Ernst Happel Stadium, where Swift's shows were expected to draw crowds in excess of 65,000 each night.

Meanwhile, British police say five of the pop megastar's shows scheduled in London from next week will go ahead, despite the cancellations in Vienna.

Swift has already played multiple nights at Wembley Stadium, in the British capital, as part of the Eras Tour.

The Shake It Off singer is due to return to the venue for five more gigs from Thursday, August 15.

A spokesperson for London's Metropolitan Police said authorities would work closely with stakeholders to monitor security and intelligence ahead of the performances.

"There is nothing to indicate that the matters being investigated by the Austrian authorities will have an impact on upcoming events here in London," a spokesperson for The Met said.

The UK has previously seen deadly attacks at similar events.

In 2017, a suicide bombing at an Ariana Grande concert in Manchester killed 22 people.

Swift's Eras Tour has wowed crowds around the world, including at multiple sold-out dates in Melbourne and Sydney earlier this year.

Last month, Axel Muganwa Rudakubana, 17, was arrested after attacking a Taylor-Swift-themed dance class for school children in Southport, in England's north-west.

Three girls, aged between six and nine, were killed in the attack. Eight more children and two adults were injured.

The teen has been charged with three counts of murder and 10 counts of attempted murder, although police have said the incident was not terror-related.

The attack was leapt upon by far-right groups, which have organised multiple subsequent violent protests around the country.