There has been strong opposition against the airport wanting to use its northern runway.

Transport Secretary gives green light for second runway and 100,000 extra flights per year

Heidi Alexander approves expansion to allow 100,000 more flights a year

The privately financed project will see the West Sussex airport will move its emergency runway 13 yards north, enabling it to be used for departures of narrow-bodied planes.

Rachel Reeves has hailed the scheme getting the go-ahead from the government, saying it means 'thousands more jobs and billions more in investment'.

There has been strong opposition against the airport wanting to use its northern runway.

The lowdown on what happens next and whether the move is likely to boost the UK economy