Zayn Malik cancels concert due to 'worst anxiety of my career'

Pop singer Zayn Malik has canceled a show in London due to crippling anxiety  On Saturday night, the former One Direction member tweeted to his fans a heartfelt apology saying he would not be performing at the Summertime Ball at Wembley Stadium "Unfortunately my anxiety that has haunted me throughout the last few months around live performances has gotten the better of me," he wrote