A Southern California foothills community is on edge after a large dog vanished, leaving behind a trail of blood — fueling fears a mountain lion may have struck again just days are two other pets were torn to shreds nearby.

The incident unfolded over the weekend in Oak Glen, where a resident told KTLA she believes her mastiff was attacked and carried off.

The dog, she said, never returned home — something she described as highly unusual — and only a blood trail was found.

The report comes as neighbors in San Bernardino County foothills says sightings of wildlife are nothing new — but recent incidents have heightened concern.

“We see a lot of bears, a lot of coyotes, we see a lot of deer,” 17-year-old Gianna Sedillo told the TV station, describing life in the wooded community.

She added: “You just have to keep an eye on your animals … you never know what’s going to happen.”

Officials with the California Department of Fish and Wildlife said they have not received any confirmed reports tied to this latest incident.

Still, the disappearance has rattled residents, many of whom say predators frequently show up on home surveillance footage.

The fears come just a week after a mountain lion was spotted in nearby Yucaipa — where a homeowner said the animal killed his two large dogs, a husky and an Anatolian shepherd, in a violent backyard attack.

Wildlife officials say each suspected attack is evaluated on a case-by-case basis, but acknowledged that mountain lions will sometimes prey on pets ‚ even if they typically favor deer.

“if there were multiple incidents where it seems like it’s a disruptive pattern in the area … then reclocation would be potentially outcome,” Fish and Wildlife spokesperson Cort Klopping told KTLA.

Experts say attacks on pets can increase when natural prey becomes scarce, prompting big cats to go after ore accessible animals.

Residents are now being urge to take precautions — including securing pets in enclosed areas, especially at night — as communities in the foothills remain on high alert.

“I do have a little taser I carry a round with me when I go out to take care of my animals,” Sedillo told the station. “We always try to lock them up at night.”

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