Marina Tanaka/EyeEm via Getty

Marina Tanaka/EyeEm via Getty

Two planes crashed in mid-air on Saturday during a Dallas air show packed with families marking Veterans Day weekend, with both planes falling to the ground in a fiery explosion, video footage shows. It is feared that six people who were on board the planes have died. ABC reports.

The collision occurred during the Wings Over Dallas World War II Airshow. A Dallas Fire-Rescue spokesman said he didn’t know the status of the pilots or if others were injured on the ground. The two planes, a Boeing B-17 Flying Fortress and a Bell P-63 Kingcobra, crashed about 1:20 p.m. as spectators looked on, the Federal Aviation Administration said.

“I just stood there. I was completely shocked and in disbelief,” Anthony Montoya, who witnessed the crash, told the Associated Press. “Everyone around us gasped. Everyone burst into tears. Everyone was shocked.”

Dallas Mayor Eric Johnson called the crash a “horrific tragedy,” adding that “the videos are heartbreaking.”

“Please offer a prayer for the souls who have ascended to heaven today to entertain and raise our families,” he tweeted, adding that many details about the incident “remain unknown or unconfirmed.”

The show was part of a three-day Veterans Day weekend event, although Friday’s events had been canceled due to the weather. More shows were scheduled for Sunday, although it’s not clear if the Commemorative Air Force will continue after the accident.

The FAA will investigate the crash along with the National Transportation Safety Board, the administration said. US 67 High is closed and traffic is being diverted following the crash, NBC Dallas Fort Worth reported.

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Stay connected and get unlimited access to the Daily Beast’s unmatched coverage. subscribe now Two planes collide as spectators look on in horror at the Dallas Airshow