Niall Horan asks fans for privacy on twitter over knee surgery

London: One Direction singer Niall Horan, who is recovering from major knee surgery, asked his fans to respect his privacy on twitter.

The 20-year-old `Story Of My Life` hitmaker, whose pictures emerged sporting a cast and crutches at Heathrow airport, took to his micro-blogging site account to tell his 16.7 million followers to give him privacy as he tries to recover, reported Daily Mirror. "Hey guys I know most of you have seen those pics today! Yes I`ve had major surgery, a much larger surgery than first anticipated, but I would like to tell you, it was a complete success! Considering the scale of it!" he wrote. "So all I ask of you guys is that you would respect my privacy as I try to recover and get for the where we are tour," he added.