Police are investigating after two knife-point robberies this week on York University campus.

School officials say the first one took place on Monday at 10:30 a.m. An unknown male approached a student in the lobby of the HNES building. The suspect produced a knife and demanded the victim’s watch.

The suspect is described as a black male, 19 -21 years of age, 5′ 7″ to 5′ 8″ in height, weighing approximately 180 lbs and wearing a black hat, blue jeans and a black track suit jacket with a white stripe down the arms.

The second robbery took place Tuesday evening around 8 p.m. Two unknown men approached a student walking between Vari Hall and the Ross Building and demanded his wallet.

One of the suspects held the victim down while the other suspect produced a knife.

The first suspect is described as a black male, 5’10″, wearing a black hoody with the hood up and a bandana covering his lower face.

The second suspect is described as a black male, 5’10″, also wearing a black hoody with the hood up and a bandana covering his lower face, and carrying a knife.

In both instances the victim was not injured.

York Security has increased campus patrols and are asking people to report any suspicious behavior of persons.