Police are continuing to search for a teenager who went missing in the River Thames in Gloucestershire on Sunday evening.
The boy had been with three others at the “location together” near Lechlade-on-Thames.
Some of the group had entered the water to try to find him, police said.
The National Police Air Service, Gloucestershire Fire and Rescue Service and Severn Area Rescue Association carried out searches into the early hours after police were called at around 10pm on Sunday.
Specialist search teams launched a fresh search for him on Monday.
A Gloucestershire Police spokesperson said: “Searches have been taking place in the River Thames after a report a teenager was in the water near Lechlade-on-Thames.
“Police were called at around 10pm yesterday and emergency services attended.
“Officers have been supported by the National Police Air Service, Gloucestershire Fire and Rescue Service and Severn Area Rescue Association while searches continued into the early hours of this morning.
“The teenage boy has not yet been located and specialist search teams will be continuing with the search today. His next of kin are aware.
“A group of four had been at the location together and some had entered the water to try and find the boy.
“The others are accounted for.”