United Kingdom, June 23 -- Tom Grennan has undergone surgery to remove metal plates from his jaw.

The 30-year-old singer was hospitalised at the age of 18 after being attacked by a group of strangers in his hometown of Bedford, England and he needed to have screws and metal plates fitted to his jaw to fix his injuries, but the plates recently started to cause complications so he underwent another operation earlier this year to have them taken out.

He told The Times newspaper: "They were pushing themselves out of my gums ... [Having surgery] was a relief for me. I'm no longer reminded of that time in my life. It was like I closed the door and that was me being released, I suppose."

During the interview, Tom admitted the attack left him ...