Overview
- First responders converged before 4:30 a.m. on Interstate 17 near the Dove Valley Road exit in north Phoenix.
- Arizona Department of Public Safety said it handled traffic control and directed inquiries to U.S. Immigration and Customs Enforcement.
- Phoenix police referred questions to the FBI as federal agencies led the investigation.
- On-scene crews observed a vehicle with apparent window damage, with the cause and any injuries unconfirmed.
- Video from the off-ramp showed a significant traffic backup while officials withheld further details.