Video Related To: Ohio School shooting leaves 1 student dead, 4 injured

Evan Erasmus was a witness at the Chardon High School shooting and says he knows the alleged gunman. (CNN) -- A gunman wounded five students, one of them fatally, at a suburban Cleveland high school Monday morning before apparently being chased out of the building by a teacher, police said at a news conference. The Chardon High School shooting suspect -- believed to be a student, according to a school official -- was in custody, police chief Tim McKenna said. McKenna declined to identify the suspect, who he said is a juvenile. But the the Plain Dealer newspaper in Cleveland cited student Nate Mueller, who was slightly wounded in the shooting, in identifying the suspect as student TJ Lane. The fatally wounded student was identified by the hospital that treated him as Daniel Parmertor. "We are shocked by this senseless tragedy," Parmertor's family said in a statement released by MetroHealth Medical Center. "Danny was a bright young boy who had a bright future ahead of him. The family is torn by this loss. We ask that you respect our privacy during this difficult time." Two other students wounded in the shooting taken by helicopter to MetroHealth, hospital representative Shannon Mortland said in a statement. Mortland did not provide details on their conditions. Another two students injured in the shooting, one boy and one girl, were taken to Hillcrest Hospital, spokeswoman Heather Phillips said. One was in serious condition, the other in stable condition, she said. A student <b>...</b>