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.
(..) - And the squatters? - As good as gone. What kind ofquest? Let me get this straight. You're gonna go fiight a dragon... and rescue a princessjust so Farquaad will give you back a swamp... which you only don't have because he fiilled it full of freaks in the fiirst place. (..)2001 Shrek
(..) for a smacked bottom. - Sorry about that. - That champion shall have the honour-- no, no-- the privilege... to go forth and rescue the lovely Princess Fiona... from the fiiery keep ofthe dragon. the fiirst runner-up will take his place... (..)2001 Shrek