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Chilling video submitted by a KTLA viewer shows a massive mountain lion going for a stroll in Wrightwood.

The video shows the animal walking across the driveway of the home. The viewer, who opted to not be identified, says the mountain lion appeared on their home security footage around 8 p.m. Friday.

The San Bernardino County community is pressed up against Angeles National Forest and is no stranger to mountain lion encounters.

Just last month, a family said their dog was injured in a mountain lion attack. After emergency surgery, the dog was expected to make a full recovery.

Experts suggest that if you encounter a mountain lion, it’s important to remember these tips:    

  • Do not run, which trigger the animal’s predatory instincts to chase   
  • Pick up any small children or pets   
  • Do not turn your back on the animal, but look at its feet and avoid staring at it in the eyes   
  • Raise your arms over your head to appear larger if the animal is acting aggressive   
  • Make noise by yelling   
  • Never approach the cougar   
  • If there are cubs, be extremely careful not to get between them and the mountain lion