Three Taylor Swift shows cancelled after Vienna police foil planned attack

Main suspect, a 19-year-old Austrian, said to have pledged oath of allegiance to Islamic State group in recent weeks'

Three Taylor Swift concerts in Vienna this week have been cancelled after officials arrested two people over an apparent plot to launch an attack on a public event in the Vienna area.

The announcement was made by concert organisers Barracuda Music late on Wednesday, after Austrian authorities said they had arrested a 19-year-old man for allegedly planning an Islamist attack in the Vienna region and suggested that Swift's shows had been the focus" of the plot.