Derek Beach allegedly lunged at officers with a knife, leading Sgt. Michael Winslow and Officer Kristofer Milner to shoot him, police said.

Police arrived at 7 Whalen St. in Lincoln just after 8:30 p.m. in response to a complaint that Derek Beach was at the house but was not supposed to be there because of a protection from abuse order.

Officials received the report around 8:30 p.m. that Derek Beach was at a house on Whalen Street. They say he wasn’t allowed to be there because of protection from abuse order that prohibits him ...