A dashboard camera captures the moment an articulated lorry explodes in a huge fireball after flying into the air on a highway in Indiana, in an incident which the driver and his young son miraculously survived.

Footage from a dashboard camera of a driver in the US state of Indiana captures the incredible moment an articulated lorry is launched into the air, flies over a two lane highway before exploding in a fireball.

The incredulous reaction of the driver who witnessed the incident can be heard on the footage, which is believed to have been filmed on Thursday afternoon.

A local newspaper, The Greensburg Daily News, reported that the lorry driver and his seven-year-old son, who was travelling with him at the time of the accident, escaped the incident with only minor injuries.