Joshua Kirkwood, 51, was fatally stabbed Saturday night during an altercation at his restaurant, Forty One Fourteen Steaks and Seafood on Green Bay Road in Waukegan.

Authorities are investigating after a suburban man was stabbed to death at a local restaurant late Saturday night.

WAUKEGAN, Ill. (CBS) -- Police in Waukegan were investigating a stabbing inside a restaurant overnight Saturday into Sunday. Crime scene tape surrounded 41 14 Forty One Fourteen Steaks & Seafood, at 2120 N. Green Bay Rd. in Waukegan, just after 1 a.m. Sunday.

WAUKEGAN, Ill. (WLS) -- Flowers, balloons and a city notice, announcing a temporary closure due to safety concerns adorn the restaurant where family and friends say its co-owner, Joshua Kirkwood, poured his life into.

Joshua Kirkwood, 51, was stabbed to death Saturday outside Forty One Fourteen Steaks and Seafood, 2120 N. Green Bay Rd.

The documents state that an argument broke out between Joshua Kirkwood and a manager during a gender reveal party hosted at the restaurant

The owner of a steakhouse in this Lake County community was stabbed to death inside the restaurant late Saturday night during a gender reveal party and his girlfriend and two of her sons are in custody.

The owner of a steakhouse in this Lake County community was stabbed to death inside the restaurant late Saturday night during a gender reveal party and his girlfriend and two of

Waukegan was stabbed to death inside the restaurant late Saturday night during a gender reveal party and his girlfriend and two of her sons are in custody.