Mayor: Sen. Booker, family under added protection after death threat

New Jersey Sen. Cory Booker is under added police protection tonight after a death threat was made against him and his family. 
Newark Mayor Ras Baraka sent out a statement saying the city's police division is partnering with U.S. Capitol Police to provide security at the senator's home in Newark.
The threat was reportedly against Booker and his family members.
Baraka says the city is "closely coordinating with Capitol police to ensure Sen. Booker is able to carry out his duties of serving New Jersey's residents in Congress in a safe manner." 
The nature of the threat has not yet been disclosed.