A campus police officer and another man were shot and killed Thursday at Virginia Tech. But the campus lockdown has now been lifted.

At a news conference on the campus in Blacksburg, Va., police said only that the second body was that of a white male and that he was not shot by police, said an MSNBC report. A weapon was found nearby.

Police wouldn't comment further on whether the second person was the gunman. But other authorities told NBC's Pete Williams that they believed the second victim was the man who shot the campus officer.

Police refused to say that no other gunmen were involved, the report said. But they said they were confident that the situation is secure and "you can read between the lines."

A campuswide alert was lifted late Thursday afternoon, and Montgomery County schools lifted a lockdown,  allowing pupils to begin heading home, the report said.

The report noted that the gunman apparently walked up to the scene during a traffic stop and shot the officer.

University President Charles W. Steger called the incident "a wanton act of violence." 

Friday's exams were canceled. Counseling and support were being arranged for students and faculty and their families, said the report.