[UPDATE BELOW] A tour bus crashed into a tree in Central Park on East 63rd Street and 5th Avenue this afternoon, leaving nine people injured according to the FDNY.

Five people with minor injuries were taken to Lenox Hill Hospital, as well as four additional people with more serious but not life threatening injuries.

One witness told DNAinfo that the bus "was cut off by a yellow cab and swerved to avoid hitting the vehicle before jumping the curb."

The cause of the crash has not been officially determined or disclosed but we will update as we learn more.

UPDATE: The NYPD affirmed the witnesses' account of the crash, telling us that tour bus driver was "traveling south along 5th Avenue between 62nd and 63rd Streets and then swerved to avoid a taxi." The location of the taxi is currently unknown.

UPDATE 3:55 p.m.: An FDNY spokesman said that the injury count has risen to 13, with three of the injured people refusing medical attention.