Memorial service planned for Officer Farrar

Officer Christopher Farrar of Chandler, Arizona, was killed.

(CNN) -- An Arizona police officer was fatally struck and another critically injured by a "violent felon in a stolen vehicle following a multi-agency shooting and pursuit," authorities said Friday morning.

A Pinal County Sheriff's deputy was pursuing a vehicle when the person inside it began to shoot at the deputy Thursday about 10 p.m. The deputy continued the pursuit into the city of Chandler in Maricopa County, where the suspect busted through a gate to the airport, which had to be shut down.

The suspect went from Chandler onto the freeway and into the city of Gilbert, where he ended up at the San Tan Ford car dealership. He got out, went into the dealership and stole a vehicle, Gilbert Police spokesman Officer Paul Alaniz said.

The suspect then struck Chandler police Officer Christopher Farrar and a Gilbert police officer with that vehicle, Alaniz said.

Officer Farrar, 50, was an 18-year veteran assigned to the K-9 unit, Chandler Police Chief Sean Duggan said at a media briefing.

The suspect was injured and taken into custody after seven officers fired their weapons at the suspect, Alaniz said.

Gilbert police said in a news release that the suspect's injuries are not life-threatening.

Later on Friday, the Gilbert Police Department identified the injured officer as Officer Rico Aranda, who has been with the department since July 2018. Aranda is currently in critical condition with a head injury, according to Gilbert police.

"Officer Aranda is still in critical condition, but stable, and he has shown signs of improvement," the department tweeted.

Three state troopers also had injuries that were not life-threatening, according to Gilbert police. An employee of the car dealership suffered minor injuries as well.

"This is a very difficult time for our organization, our department and really the entire Chandler community," Duggan said. "Just take a moment and remember and be mindful of the brave men and women who are out there daily helping to keep our community safe."

The investigation involves Pinal County Sheriff's Office, Chandler Police Department, Gilbert Police Department, and the Arizona Department of Public Safety, Alaniz said.

CNN's Chris Boyette, Sara Finch and Andy Rose contributed to this report.

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