A Delta Air Lines flight carrying 52 passengers was struck by a fireworks mortar as it was on final approach to Chicago Midway International Airport on the Fourth of July, according to the Federal Aviation Administration (FAA).

The aircraft, an Airbus A319, was not significantly damaged, and the incident did not result in any injuries among passengers or crew. The FAA confirmed it is investigating the event, which occurred on July 4th as the plane was descending into the busy Chicago airport.

Further details regarding the origin of the fireworks mortar or the specific circumstances of the strike have not yet been released by the FAA as the investigation is ongoing.