Lifeguards were called to a rescue in Pacific Beach Sunday afternoon following reports of a traumatic injury accident in the water.
Crews were dispatched to Ski Beach around 3:10 p.m.
Fire dispatchers intially said a victim was suffering from some sort of laceration to the arm.
Lifeguards said the 25-year-old victim was riding a jet ski when an 18-foot vessel collided with him.
He sustained traumatic injuries and was transported to Scripps La Jolla, lifeguards said.
The crash is currently being investigated.
Check back for updates on this developing story.