Crash investigators investigate a serious crash involving a motorcycle and a pickup truck at Green Bay Road and 14th Street in North Chicago Monday. | Photo: Joe Shuman/J. Shuman Photography (2023)

Authorities say a motorcyclist was rushed to the hospital with life-threatening injuries after a crash involving a pickup truck in North Chicago Monday morning.

The North Chicago Fire Department and North Chicago Police Department responded around 11:47 a.m. Monday to the intersection of Green Bay Road and 14th Street for a vehicle crash with injuries.

North Chicago Fire Department Lt. Raul Herrera told Lake and McHenry County Scanner the crash involved a pickup truck and a motorcycle.

One rider of the motorcycle was transported to the hospital with life-threatening injuries.

Crash investigators investigate a serious crash involving a motorcycle and a pickup truck at Green Bay Road and 14th Street in North Chicago Monday. | Photo: Joe Shuman/J. Shuman Photography (2023)

A second rider of the motorcycle suffered minor injuries and was also transported to the hospital, Herrera said.

The crash occurred just north of the intersection.

Police shut down both directions of Green Bay Road from 14th Street to Green Belt Street.

The fire department was dispatched minutes after the first crash to a second crash involving multiple vehicles at Martin Luther King Jr. Drive and Green Bay Road.

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Herrera said it was unknown if the second crash was related to the first crash.

Crash investigators investigate a crash involving multiple vehicles at Green Bay Road and Martin Luther King Jr. Drive in North Chicago Monday. | Photo: Joe Shuman/J. Shuman Photography (2023)

Witnesses said the pickup truck involved in the first crash did not remain at the scene. The second crash involved a pickup truck.

Members of the Lake County Major Crash Assistance Team (MCAT) were seen investigating for several hours at both scenes.

It was unknown whether police arrested the driver who fled the scene.

The incident remains under investigation by the North Chicago Police Department and MCAT.