Dallas air show crash: Two World War Two planes collide in mid-air
Two vintage World War Two-era planes have collided and crashed at an air show in the US state of Texas, killing six people.
Footage shows the aircraft striking each other at a low altitude, breaking one of the aircraft in half. A fireball can be seen as it hits the ground.
The planes - one of them a Boeing B-17 Flying Fortress - were taking part in a commemorative air show near Dallas.
Firefighters said there were no injuries among people on the ground.
"According to our Dallas County Medical...