'Projectile' hit on vehicle window reported on I-10 in Phoenix amid spate of shootings

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The latest developments on a series of freeway shootings in the Phoenix area. All times local (PDT):

6:30 a.m.

Authorities in Arizona are checking out another possible shooting on a Phoenix-area freeway.

The state Department of Public Safety says officers are responding to a report of a damaged window on a vehicle that was traveling on Interstate 10 Thursday morning.

Trooper Tim Case says a "projectile" hit the window but no shooting has been confirmed.

Video shown by KNXV-TV showed an intact rear window with a visible indention.

This follows 10 shooting incidents in which the DPS says either bullets or projectiles hit vehicles in the past two weeks. All but two were on I-10.

DPS says seven of the 10 shooting incidents involved bullets and the other three were unspecified projectiles.

No serious injuries have been reported.