A Wales Air Ambulance spokesperson says it treated three patients at the scene of the Rhoose collision but no one was flown to hospital.
A statement said:
We can confirm that Wales Air Ambulance (WAA) landed on scene at an RTC near a primary school in Rhoose.
WAA crew from the Swansea base were tasked at 9:00am and on scene at 9:20am. The crew flew through adverse weather conditions to make it to the scene.
The aircrew treated three patients on scene but did not convey any patients to hospital. Adverse weather continued to close in and the patients were assessed as suitable to travel by road.
WAA left the scene at 10:48.
More top news
The Prime Minister has been warned that she must make a decisive choice about what kind of trade deal she wants after Brexit.
A former Save the Children boss has admitted he faced complaints about "inappropriate" behaviour during his time in charge.
Dennis Banfield, 87, broke down in tears as he said he was delighted to be able to secure his children's future.