Malcom Adams, 29, of Zion.

A police officer suffered a serious head injury after a convicted felon arrested for possessing a gun ran from officers while handcuffed in Zion, authorities said.

Zion Police Department officers conducted a traffic stop around 10:07 p.m. Tuesday on a silver 2003 Mercedes, driven by Malcom Adams, 29, of Zion.

The stop was conducted in the 2300 block of Galilee Avenue in Zion after officers noticed a registration violation on the Mercedes, according to Zion Police Department Lt. Derek Zaloudek.

During the traffic stop, officers discovered an illegally possessed 9mm handgun in Adams’ possession. He was taken into custody.

One officer worked to clear the magazine and ammunition from the handgun.

Adams attempted to flee while in handcuffs, causing himself and another officer to become entangled and fall to the ground, Zaloudek said.

The officer suffered a significant head injury during the fall and was transported to an area hospital.

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Adams was uninjured and transported to the Zion Police Department, Zaloudek said.

The Lake County State’s Attorney’s Office reviewed the case and approved charges of aggravated unlawful use of a weapon, possession of a weapon by a felon and aggravated resisting a peace officer.

Adams, a convicted felon, was also cited with multiple traffic offenses.

The officer that was injured during the arrest was discharged from the hospital Wednesday morning and is recovering at home, Zaloudek said.

Lake County Judge Theodore Potkonjak ordered Adams held on a $400,000 bond during a court hearing Wednesday.

Adams remains held in the Lake County Jail and would need to post 10% of his bond to be released.