Zayn Malik (left) with Harry Styles, Niall Horan, Liam

Zayn Malik quits 1D tour, citing stress He's on his way home to recuperate. Check out this story on WFAA.com: http://usat.ly/1MNzXnd Zayn Malik with Harry Styles, Niall Horan, Liam Payne and Louis Tomlinson from 'One Direction' seen at BBC Radio One on Aug. 10, 2011 in London.