The incident occurred around 10pm near the Philadelphia Museum of Art as crowds of people watched fireworks following a concert on the final day of the Wawa Welcome America Festival. Footage circulating online shows panicked revelers running away for cover, but it was not immediately clear if anyone was injured amid the chaos.
The authorities confirmed that a highway patrol officer suffered a graze wound to the head, while a member of a bomb squad was shot in the shoulder. Both were rushed to a hospital in stable condition, according to local media.
While police urged the public to avoid the area, there was no immediate information regarding suspects and the circumstances of the shooting.
Additional police were deployed to secure and evacuate the area, while the authorities established a center for those who may have been separated.
The incident follows a mass shooting in Highland Park, Illinois, where at least six people were killed and two dozen injured during an Independence Day parade earlier on Monday. The suspected gunman was eventually detained after a nine-hour manhunt, but the authorities have yet to reveal his motive or press charges.
Comment: More on that here: Shooter kills 6, injures 31, during 4th of July parade in Illinois - suspect still at large
Comment: And just a day prior in Denmark: 3 dead in shooting at shopping centre
See also: 16 injured in New York subway shooting, 4 suspicious devices found (12th April 2022)