Story highlights "We got him!" governor says in tweet

Rash of shootings in downtown spawned copycats elsewhere in Phoenix

(CNN) A SWAT team has arrested a suspect in a series of shootings that occurred along a busy stretch of highway in downtown Phoenix, authorities said.

"We got him!," Arizona Gov. Doug Ducey tweeted.

Authorities took the suspect into custody Friday night, and the investigation into the shootings on Interstate 10 is ongoing, Ducey said.

He did not provide any more details, but urged residents to stay alert and call state troopers if they have any information related to the shootings.

The rash of shootings in Phoenix spawned copycats on roadways elsewhere in the city -- presumably by someone trying to emulate the downtown incidents.

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