A Lexington man is in custody after allegedly discharging a firearm during a dispute over the weekend. Sanilac County Sheriff’s Deputies say they were called to a residence in the 7000 block of Birchwood Road in Worth Township around 4:30am Sunday morning. Witnesses had reported a male subject firing a gun. Once deputies arrived, they began speaking to witnesses when they heard another gunshot and were lead to a nearby residence. A 39 year old Lexington man was arrested and is expected to face assault and firearms related charges. Sheriff’s deputies were assisted by authorities from the Croswell and Lexington Police Departments and the Sanilac County Drug Task Force.