A woman is in serious condition in hospital after a fire in Waterford city last night.

Four firefighters were also taken to Waterford University Hospital as a precaution, after battling the blaze at an apartment complex on Wellington Street.

They were treated for smoke inhalation, and three were discharged while one has been detained for observation.

Gardai and emergency services were called to the scene of the fire at around 11pm last night.

The woman - who is in her 30s and from Waterford - was found in an upstairs bedroom.

She was the only person in the apartment.

Gardaí are investigating the cause of the blaze.