Phoenix authorities are investigating a "valid shooting" along Interstate 10 Wednesday, according to a source.

Authorities swarmed a Shell gas station near I-10 and 35th Avenue around 11 a.m. after a white pickup truck reportedly had one of its rear windows shatter while driving along the freeway.

RELATED: List: When and where the freeway shootings have occurred

The victim, who did not want to be identified, told ABC15 that the Arizona Department of Public Safety told him his window was shattered by a BB gun.

**TIPS: Call Silent Witness at 480-WITNESS or DPS tip line at 602-644-5805

Authorities confirmed that the incident is linked to the string of reported shootings that have occurred within the last two weeks along the freeway.

This is now the 10th incident along the I-10 that has been reported and is currently under investigation.

VIDEO: Tuesday update from DPS on I-10 shootings investigation

On Tuesday, DPS said it was investigating nine incidents along I-10 and Silent Witness increased the reward for information leading to the suspected shooter, or shooters, from $5,000 to $20,000 hoping someone who knows something will come forward.

On Wednesday, DPS said there were now ten total incidents they are investigating.

RELATED: Reward for information increased to $20,000

In one incident, a 13-year-old girl suffered a minor injury.

"This is insanity. We are lucky no one has been killed," said DPS Director Frank Milstead during a Tuesday press conference.

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