Police said they are treating the death of a 3-year-old girl in a hotel swimming pool in Lancashire as "unexplained".
A 40-year old woman remains in police custody after being arrested on suspicion of murder and child neglect.
Detective Chief Inspector Dean Holden of Lancashire Police said: “We are treating this tragic incident as an unexplained death and are continuing to investigate just how the child has come into difficulties in the pool."
Police said the girl was removed from the swimming pool at the Dalmeny hotel in St Annes by a member of the public who jumped into the water to help, accompanied by a member of staff from the hotel, but she died in hospital last night.
A Home Office post-mortem will take place to establish the cause of death.
More top news
Weight of people trying to sign caused government petition to website to crash as Europhiles try to force a rerun of the EU vote.
A mother whose young daughter died after allegedly "shooting herself in the face" has been charged with murder.
Hundreds hit the streets of some of England and Scotland's biggest cities in protest over the "anti-immigration" tone of the Brexit campaign