Singer Sean Kingston breathing on his own, walking

MIAMI, FL Joseph Carozza says his client's condition has been upgraded to serious more than a week after Kingston crashed his watercraft into a bridge off Miami Beach. A female passenger also was injured.

Kingston has been hospitalized since the May 29 crash. Carozza says Kingston walked Monday morning for the first time since the crash.

In an email, the publicist said Kingston thanks his friends, family and fans for their prayers and well wishes.

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