The policeman 'came/went to the rescue of' the lost boy. [=the policeman rescued the lost boy]
When her brother lost his job, she 'came to his rescue' by paying his rent.
A fireman 'rescued' three children 'from' the burning building.
(..) Okay then. Oh, no! Dr. Pork Chop's attacking the haunted bakery! The ghosts are getting away. Woody'll stop 'em! Buzz Lightyear to the rescue! And we'll actually need the rocket. They're getting away! Come on, Bullseye! We need to get in the spaceship. The volcano is gonna erupt. (..)2010 Toy Story 3
(..) all evil with our love! Woody! Come on. We're almost there. The Cowboy! Buzz, come here. Give me a lift. Buzz Lightyear to the rescue! lt is open. Way to go, Buzz. Come on. -ls it safe? -l guess l'll find out. -Woody? You okay? (..)2010 Toy Story 3