UPDATE - 2:30 - HOUSTON (AP) -- Authorities say the shooting at a Texas community college was the result of an altercation between two people, and at least one was a student.
Harris County Sheriff's Maj. Armando Tello says both people involved in the altercation were wounded and hospitalized. He says a college maintenance man was injured in the crossfire and also taken to a hospital.
Tello says a female who had a student ID also was hospitalized for a medical complication.
The shooting happened before 1 p.m. Tuesday at the Lone Star College System campus about 20 miles north of downtown Houston.
UPDATE - 1:30PM - A law enforcement source told NBC News that three people were shot and one person possibly suffered a heart attack. A college spokesperson says that two of the people shot were students. NBC News reports a gunman was also shot.
HOUSTON, Texas (KRNV, MyNews4.com, NBC) -- NBC News reports that sheriff's deputies are at the scene of a shooting with multiple injuries at a Houston community college.
NBC station KPRC-TV reported that it's still being investigated if there was an active shooter on the North Harris campus of Lone Star College.
NBC News says it is unclear how many people were injured, or if people seen on stretchers had been shot.
At least one person has been detained at the college, deputy constables reported to KPRC, but they did not say if that person was a suspect in the shooting. Deputies were also searching for another possible suspect who fled the scene.