MIDLAND -- UPDATE: MISD says that a firearm was found on the campus.
(Makensie Hinkle/CBS 7)
The lockdown was lifted just before 3 p.m.
According to MISD, police found a .40 caliber Taurus semi-automatic weapon and a student was detained.
Charges are set to be filed against the student.
The campus was first placed on lockdown after Crime Stoppers received a tip of a student with a firearm.
Midland High School has been placed under lockdown on Tuesday afternoon.
According to staff members, the lockdown started at 1:30 p.m.
According to Midland ISD, the lockdown is due to allegations that a student may have a gun on campus.
No weapons have been found at this time.