JACKSONVILLE, Fla. -- Three people are currently being treated for life-threatening injuries that are a result of a four-vehicle crash at a busy intersection on Thursday morning.

According to JSO, the accident occurred at approximately 10 a.m. on Dec. 1 at the intersection of St. Johns Bluff Road and Beach Boulevard.

A Honda Accord waiting to turn north onto St. Johns Bluff Rd. was struck on the driver's side door by a Nissan SUV that ran a red light, heading south on St. Johns Bluff Rd.

Due to the rate of speed the SUV was traveling, the vehicles continued into the center lane of Beach Blvd. after impact, where they were hit by a tanker truck. Coincidentally, the tanker truck then hit a vehicle in the right lane of Beach Blvd.

The 39-year-old white female driver of the Nissan SUV was transported to the hospital in critical condition, according to JSO. The 18-year-old white male driver and 16-year-old white female passenger of the Honda were also transported with life-threatening injuries.

According to authorities, it is unknown as to why the driver of the SUV ran the red light and struck the vehicle on Beach Blvd. JSO said there is no current indication that drugs or alcohol were involved in the crash, however, speed does appear to be a factor

This is an ongoing investigation being conducted by the JSO Traffic Homicide Unit. Traffic at the intersection has been diverted until further notice.

First Coast News will update this story with more information as it is released.