Nickelback singer Chad Kroeger is being sued by a furniture salesman who claims the rocker attacked him.

Noah Morse alleges that 34-year-old Kroeger punched him outside a bar in Vancouver, Canada in 2007, knocking him out.

In a new lawsuit, filed in the Supreme Court of British Columbia and obtained by TMZ.com, Morse accuses Kroeger of punching him "forcefully in the mouth".

The salesman claims he suffered a concussion and oral injuries, including "one deadened front tooth... dislodged upper front teeth and permanent discolouration of more front teeth" in the fight.

Morse is suing for loss of income and medical expenses.

(by Scott Colothan)