Near miss as truck flies through air in Iowa, US

A truck has flown off a highway in the US state of Iowa, narrowly missing other vehicles.

It happened as a state trooper was questioning a motorist on US Interstate 80, with his dashboard camera still rolling.

Police say the truck was parked on the hard shoulder, and forced into the air after being hit by a lorry.

Johnson County Sheriff's Office released the footage as a warning to other drivers.