Pink Floyd co-founder and bassist Roger Waters has vowed to take legal action after a planned concert in Frankfurt was cancelled by officials who branded him one of the "world's most widely spread antisemites". The veteran musician was scheduled to perform at the city's Festhalle on 28 May as part of his This Is Not A Drill European tour. However, Frankfurt city council and the Hessian state government agreed to cancel the show in a bid to "set an example against antisemitism" last month. Waters denies being antisemitic and in a statement issued on Thursday has described the cancellation as...