Backstage at i Heart Radio: One Directions Liam Payne on How He Injured His Hand

Extra s Charissa Thompson was backstage in the portrait room at the iHeartRadio music festival in Las Vegas catching up with One Direction s Liam Payne, Louis Tomlinson and Zayn Malik. Liam chatted about how he injured his hand and the the three members chatted about the inspiration for the band s latest single.