A five-month-old baby boy is critically ill after suffering a cardiac arrest at Legoland Windsor Resort.

Thames Valley Police has arrested a 27-year-old woman from Witham, Essex, with suspicion of child negligence resulting in unnecessary injury as part of an investigation.

She has since been released on police bail until July 26.

Police said the baby was rushed to hospital after suffering a cardiac arrest in Legoland Windsor at 1pm on Thursday, May 2.

He remains in hospital in a critical condition.

Investigating officer Detective Constable Zoe Eele of the Child Abuse Investigation Unit shared her concern: "We are investigating a distressing incident involving a very young child at Legoland Windsor earlier this week.

"Firstly, our thoughts are with the family of the boy who is in a critical condition in hospital after suffering a cardiac arrest.

"We are supporting them as best we can at this extremely difficult time."

She further stated: "We are working closely with the team at Legoland Windsor Resort but would like to speak to anyone who have information about this incident, specifically anyone who was queueing for the Coastguard HQ boat ride between around 11.30am and 12:45pm.

"Get in touch either by calling 101 or via our website, quoting reference number 43240202786."

The officer confirmed an arrest had been made in relation to the incident and stated: "I would ask for the public to please avoid speculation about the incident and to respect the boy’s family at this deeply upsetting time."

She clarified that the police weren't currently looking for any additional suspects.