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After being involved in a jet ski accident in Miami over the weekend, hip hop star Sean Kingston is stabilized and has been moved to an intensive care unit, according to his rep.

Kingston, 21, crashed his jet ski into a Miami Beach bridge. A female passenger also involved in the accident was uninjured in the wreck.

Florida Fish and Wildlife say alcohol was not a factor in the crash. Kingston's friend Justin Bieber Tweeted after learning of the accident.

Read what Biebs wrote ... after the jump.