BLOOMFIELD, N.M. — A New Mexico man is suing Burger King after he says a manager attacked him for complaining about cold onion rings.

KRQE-TV reports the lawsuit filed in state district court says Robert Deyapp was assaulted in June 2013 when he told a manager at the fast-food restaurant in the northwestern New Mexico city of Bloomfield about his cold order.

The lawsuit claims that when Deyapp asked for a refund, manager Francisco Berrera lunged at him with a stun gun and switchblade.

Court records show Berrera later pleaded no contest to aggravated assault.

Ronald Adamson, an attorney for Berrera, did not immediately return a phone message from The Associated Press.

A spokesman for Burger King also did not return an email.