Police departments in communities northwest of Phoenix, Arizona, told CNN there were multiple shootings in the region Thursday afternoon.
"We have two confirmed people hit by gunfire in random acts," Surprise Police Sgt. Greg Welch told CNN.
He said there were multiple shootings at different locations, but could not provide an exact number.
Police in the community of Peoria, Arizona, northeast of Surprise, also reported responding to "multiple shootings" Thursday, but did not provide further details.
A suspect was pulled over at a traffic stop in Surprise, Welch said.
He says one of the two shooting victims in his community is hospitalized in critical condition.
Aerial video from CNN affiliate KPHO / KTVK showed a white SUV with its doors open that the news station described as the suspect's vehicle.