A loyal 7-year-old Lhasa Apso just became a real-life Lassie.

Eighty-one-year-old Derek Ramsden was on vacation in Wales with his wife, Ada, and his two dogs, Bruno and Toby, when he slipped and fell from a small ridge and sank into a thick mud.

"I managed to get hold of a railing on the bridge. It was frightening. I could not get out and you can't hold your grip for long at my age," Ramsden told the Telegraph.

According to the newspaper, while Ramsden's Staffie, Bruno, simply walked away, Toby -- the Lhasa Apso -- immediately sprung into action, running for a quarter of a mile to alert security staff. Toby barked at the staff until they followed him to the ridge where Ramsden was holding on for his life.

"Without the dog we would not have known he was there. That dog certainly has something about it,” Park maintenance manager Ben Thompson said.

Park staff were able to pull Ramsden back to safety. He suffered only minor bruising to his back from the accident.

"He's my very own Lassie. He saved my life and I'm very grateful," Ramsden said.

H/T: Reddit

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