13 people have been injured and two others are missing after a head-on crash between two boats in the US.
It happened on Saturday along the Colorado River on the California and Arizona border.
According to the San Bernardino County Fire Department, one of the boats sunk while the other was heavily damaged.
Authorities said one person received life-threatening injuries, six people were 'moderately injured', and five others received minor injuries.
Two others remained unaccounted for when search operations were suspended overnight on Saturday, with officials saying the two were "presumed submerged".
A spokesperson for the fire services said the rescue operation was covering a large area, noting: "We had victims of this collision that were located three to five miles downstream from the original point of impact."
The search operation was due to resume on Sunday morning local time.
PARK MOABI: #SBCoFD onscn BOAT COLLISION on Colorado River n/o Topock. Two vessels head on. 1 sunk, 1 heavy damage. 2 parties missing, presumed submerged. 2 patients - delayed. Numerous boats in area. Mult agencies assisting. ^eas
— SB County Fire (@SBCOUNTYFIRE) September 2, 2018