People in the town of Shellbrook, Sask., are on alert after a pair of cougars were spotted in a resident's backyard.

It happened at around 1 p.m. CST Tuesday in the town of 1,200 people, located around 45 kilometres west of Prince Albert.

An off-duty RCMP officer reported seeing the two cougars in his neighbor's backyard on 3rd St. E. on the east side of town, but they quickly moved off.

Officials at Shellbrook Elementary School and the W.P. Sandin High School were contacted and the students were kept inside while police searched the area.

When the off-duty officer went outside to track the cougars, he saw the animals take off in a southwesterly direction away from the street, the RCMP said.

No further sightings have been reported.

Officials from the Environment Ministry have been contacted, the RCMP said.