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St. Louis (KSDK) - Police closed parts of Dr. Martin Luther King Drive for hours while they investigate four crime scenes that left several people injured.

Police say around 2:15 p.m. undercover narcotics officers observed three people in a Chevrolet Avalanche prepare for a possible drug transaction near the St. Louis City/Wellston border.

The officers pulled up behind the suspects in a Ford Expedition.

"They got out of their car, approached the driver side of the vehicle. At this time, the driver recognized them to be officers and he threw a cooler with what we suspect to be narcotics," said Captain Michael Sack with the St. Louis Police Department's Crimes Against Persons and Property.

The 35-year-old male driver of the Avalanche proceeded to hit two unmarkedpolice vehicles that had surrounded the Avalanche.

At one point the Avalanche backed into a driveway to turn around and struck a male pedestrian on a bicycle.

"A gentleman on a bicycle who was driven over twice, and at one point was trapped under the vehicle and here's a good size pick-up truck and the tires literally sitting on his chest, spinning as the suspect's trying to get away," said Captain Sack.

He was taken to an area hospital and is listed in critical but stable condition.

Gunfire was exchanged between police and the suspects. One 29-year-old male passenger and one 35-year-old female passenger were shot by officers. They are listed in stable condition.

The Avalanche then traveled east on Dr. Martin Luther King Drive and struck two more vehicles at Kingshighway. Two occupants in the hit vehicles were taken to an area hospital.

At Dr. Martin Luther King Drive and Deer, the Avalanche crashed into a light pole, and the three occupants were arrested.

"The officers broke the window of the truck and forcibly removed the three occupants of the vehicle," said Captain Sack.

The male driver sustained injuries from the accident.

The three officers involved in the shooting have been placed on administrative leave while the investigation is underway.

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