Watch live: Vance Boelter identified as person of interest in Minnesota DFL lawmakers' shootings

Law enforcement officials are searching for 57-year-old Vance Luther Boelter in the shootings of two Minnesota politicians and their spouses early Saturday morning, sources told CBS News. 

Minnesota state Rep. Melissa Hortman and her husband were shot and killed in their Brooklyn Park home, while state Sen. John Hoffman and his wife were shot and wounded. Both lawmakers were members of the Democratic Party, representing the northwest corner of the Twin Cities.

Officials will share an update about the search for the person of interest at 3 p.m.