Black bear spotted roaming in Newmarket, Ont.

• Watch the video of the backyard black bear here.

Police say there are reports of a bear roaming in a community about 50 kilometres north of Toronto.

York Regional Police say they received a call about a black bear in a backyard in Newmarket, Ont., on Sunday morning.

A spokeswoman said officers responding to the call were unable to locate the animal.

• How to survive a black bear encounter

Resident Adam Carter spotted the bear in his yard and filmed it roaming around his house.

"My God, there's a bear in my backyard," he says as he begins recording.

The spokeswoman said there were reports of a bear in another area of Newmarket on Saturday.

Police are warning people to not approach the bear and call York Regional Police (1-866-876-5423) if they see it. Local residents are also advised to bring pets and food inside and to not feed the animal.