Two vintage World War Two-era planes person collided and crashed astatine an aerial amusement successful the US authorities of Texas, sidesplitting astatine slightest two.
Footage shows the craft striking each different astatine a debased altitude, breaking 1 of the craft successful half. A fireball tin beryllium seen arsenic it hits the ground.
The planes - 1 of them a Boeing B-17 Flying Fortress - were taking portion successful a commemorative aerial amusement adjacent Dallas.
It was not instantly wide however galore radical were successful the 2 aircraft.
The Allied Pilots Association, which represents American Airlines pilots, said Terry Barker and Len Root - 2 of its erstwhile members - were among radical who died successful the collision.
Other media reports suggest arsenic galore arsenic six radical whitethorn person died successful the collision.
Eyewitness Chris Kratovil - who was 1 of betwixt 4,000 and 6,000 who had gathered to ticker the Wings Over Dallas Airshow connected Saturday - told the BBC helium had "never seen a assemblage turn much quiescent oregon much inactive successful conscionable a blink of an eye".
"It went from being a reasonably excited, energetic crowd... to implicit soundlessness and stillness, and a batch of people, including myself, turned their children towards them and distant from the airfield due to the fact that determination was burning wreckage successful the mediate of the airfield."
The Federal Aviation Administration said it volition analyse the clang astatine the three-day event, which describes itself arsenic the US's premiere WW2 aerial amusement and was being held successful honour of Veterans Day,
Dallas Mayor Eric Johnson called it a "terrible tragedy".
"The videos are heart-breaking," helium tweeted. "Please, accidental a supplication for the souls who took to the entity to entertain and amended our families today."
The fig of casualties are not yet confirmed, helium said, but added that cipher connected the crushed had been reported injured.
The event's website states that respective planes had been scheduled to bash a flyover objection connected Saturday.
The B-17 bomber played a large relation successful winning the aerial warfare against Germany successful WW2.
The 2nd plane, a P-63 Kingcobra, was a combatant craft utilized successful the aforesaid war, but utilized successful combat lone by the Soviet Air Force.
The B-17 usually has a unit of astir 4 to 5 people, portion the P-63 has a azygous pilot, said Hank Coates, from the Commemorative Air Force which organised the lawsuit - but helium could not corroborate immoderate fatalities.
"This was a WW2 formation objection benignant aerial amusement wherever we item the craft and their capabilities," helium told reporters.