Gunman kills two at the site of 2007 massacre

Two people have been killed in shooting incidents at Virginia Tech University, the site of one of the deadliest massacres in US history.

A campus police officer was killed after a routine traffic stop shortly after midday, and a second victim was found dead in a nearby parking lot. The shooter fled on foot.

The incident brought back memories of the April 2007 massacre when a mentally ill student killed 32 people and wounded 25 others before committing suicide . It was the deadliest shooting incident by a single gunman in US history.