Mountain Lion spotted in San Mateo backyard

A mountain lion sighting was reported in the city of San Mateo on Tuesday night, emergency officials said.

The mountain lion was seen in the backyard of a home in the 200 block of 42nd Avenue at about 9 p.m., officials said.

The witness reportedly scared off the big cat by making a lot of noise.

Residents who see a mountain lion are advised to never approach the animal.

Anyone who encounters a mountain lion should face the animal, make noise and try to appear larger by waving one's arms and throwing rocks, emergency officials said.