Heathrow’s confirmed the M25 will need to be moved into a tunnel if it creates a third runway.

Heathrow’s confirmed the M25 will need to be moved into a tunnel if it creates a third runway.

The airport’s submitted its proposals over the controversial project with plans to boost terminal capacity for a total cost of £49-billion

The move could see increased capacity for 150 million passengers each year.

Environmental campaigners are worried about carbon emissions and noise pollution.

Here’s C-E-O Thomas Woldbye.