A number of children were taken to hospital after inhaling chemicals at a swimming pool in Co. Kildare.

The school-children were swimming in NUI Maynooth when chemicals used near the water entered the ventilation system.

The vent system was switched off and all of the children were examined by a GP at the scene.

A spokesperson for the Health Service Executive (HSE) said 15 ambulances were at the scene.

They said the children were transferred to Crumlin and Tallaght Hospitals "as a precaution".

Six children remain in hospital as a precaution.