UPDATE (Sunday, Noon ET): According to Billboard.com -- via Kingston's publicist, Joseph Carozza -- the rapper has been moved from Jackson Memorial Hospital's Ryder Trauma Center to the facility's intensive care unit.
UPDATE (Sunday, 8 a.m. ET): Multiple sources are stating that Kingston's condition stabilized overnight.
UPDATE (Saturday, 11:30 p.m. ET): Kingston's rep issued the following statement to TMZ: "Sean Kingston was in an accident today. No further details are available at the moment. He and his family thank everyone for the well-wishes."
ORIGINAL STORY: Rapper/singer Sean Kingston is in critical condition in Miami following a Jet Ski accident, according to a report.
A law-enforcement official, speaking on condition of anonymity, confirms that Kingston, 21, was thrown from his Jet Ski after crashing into a bridge in Miami Beach around 6 p.m. local time and is now in critical condition at Miami's Jackson Memorial Hospital.
A female companion who was on the Jet Ski with Kingston -- real name Kisean Anderson -- is said to have also been injured.
The "Beautiful Girls" singer, who released a mixtape (King of Kingz) in February, is in Miami Beach for the city's Memorial Day weekend celebrations. Kingston was born in Miami.
This story is developing...