(UPDATE: August 29, 2018 12:45 p.m.): All clear given at U.C. Berkeley campus.
According to a tweet by U.C. Berkeley, the person reported with a gun appeared to be a private armored guard with legitimate business on campus.
Police are asking people to stay away from an area on U.C. Berkeley campus after reports of a sighting or a person with a gun, according to ABC7.
People are asked to stay away from the area of MLK and Cesar Chavez Buildings until further notice.
A student told ABC7 News they were being evacuated from the campus.
The suspect was sighted near the Martin Luther King Jr. and Cesar Chavez student buildings in Lower Sproul Plaza. Police sent an alert about the sighting to students at 11:50 a.m.
No other details were immediately available.