[UPDATE BELOW] A van driver reportedly crashed into an MTA bus in Washington Heights this morning, sending the bus careening into a building on Broadway.

The collision occurred at approximately 7:40 a.m., injuring at least five people. The MTA says the bus was empty and not in service at the time.

NYPD officials are still determining the circumstances of the crash, which occurred on Broadway between 155th and 156th Streets, but an FDNY spokesperson confirmed that five people are hospitalized with non-life threatening injuries. Here's the official statement from the MTA:

At 7:43 am. bus #6372 on the M4 route, was struck by a van at 155th Street and Broadway. Preliminary reports states that the auto struck the left center of the bus, the bus jumped the curb, and struck the front of a building on Broadway between 155th and 156th Street.

The bus was not in passenger service at the time of the accident. 5 injuries reported: 2 pedestrians, 2 occupants in the van involved in the accident, and the bus operator. They were removed to Harlem & St Luke's Hospital with unknown injuries.

The accident remains under investigation.

Update 10:57 a.m.: An NYPD spokesman puts the injury count at three: two occupants of the minivan were reportedly taken to Harlem Hospital with leg and back injuries, while a pedestrian was transported to St. Luke's with non-life threatening injuries. The bus driver was not hospitalized, according to the NYPD.

The police spokesman says the bus was heading north in the right lane on Broadway when it was struck by the unidentified minivan driver. The minivan driver was traveling northbound in the left lane, and police say the driver collided with the bus while trying to make a right turn. The collision caused the bus "to swerve onto the sidewalk, striking a building at 3750 Broadway," according to the spokesman.

No arrests have been made, but the investigation is ongoing.