A 13-year-old boy has died after getting into difficulty while out swimming with friends.
Officers were called after the child failed to come out of the River Tawe in Swansea.
His body was found near a business park, around an hour after police were alerted.
The child has not been named.
South Wales Police said officers were called just before 5pm on Tuesday about children swimming in the River Tawe in the Morriston area of the city.
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“A 13-year-old boy had got into difficulty and had not been seen to exit the river,” DC Kristian Burt from the force said.
“An extensive search was carried out by police, fire, ambulance, coastguard and the police helicopter.”
DC Burt from South Wales Police said the boy’s body was found near Swansea Enterprise Park at around 6pm.
Emergency services attempted to resuscitate him but were unsuccesful, the detective constable said.
South Wales Police said the 13-year-old’s family have been informed and are receiving support.