David White and Stacey Lastella

Two suspects were arrested after they stole a child's bike and exchanged gunfire with sheriff's deputies Thursday on Tucson's northwest side, authorities said.

David Allen White, 28, and Stacey Lynn Lastella, 30, have been booked into Pima County jail on multiple felony charges in connection with yesterday's incident, said Deputy Ryan Inglett, a Pima County Sheriff's Department spokesman.

Shortly after 2 p.m. deputies learned that a man pushed a child to the ground before stealing the child’s bicycle in the 1600 block of West Gleaming Moon Lane.

Deputies located the suspect's vehicle and attempted a traffic stop near West El Camino del Cerro and Interstate 10, but the vehicle fled into a desert area near the Santa Cruz wash, Inglett said.

A female driver and male passenger ran from the car, after which the male suspect pointed a gun at the deputies and fired multiple shots, Inglett said.

One of the deputies fired at least one shot in response.

No one was injured in the incident, Inglett said.

After a search by the sheriff's department air and K9 units, the Marana Police Department and Tucson Police Department, both suspects were taken into custody without incident.

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Crime scene processing and search warrant service turned up four BB guns and "other items of evidence" linking the suspects to the Pima County and Marana cases, Inglett said.

White has been charged with robbery, aggravated robbery and two counts of aggravated assault in connection with yesterday's incident. He has also been booked on additional charges of armed robbery, aggravated robbery and aggravated assault, in connection with a Marana Police Department case, Inglett said.

Lastella was charged with aggravated robbery for yesterday's incident, and has also been charged with aggravated robbery in the same Marana case.

Contact reporter Caitlin Schmidt at cschmidt@tucson.com or 573-4191