[come] to the rescue
1
to provide assistance or help in a situation where someone is in trouble, facing a challenge, or in need of aid
- A passerby came to the rescue when they saw the car accident and called 911.
- The lifeguard quickly came to the rescue of the struggling swimmer.
- The firefighters came to the rescue during the building's fire and ensured everyone's safety.
- The superhero always comes to the rescue when the city is in danger.