Heathrow Airport is set to confirm a multi-billion pound investment plan to expand two of its terminals ahead of submitting proposals for a third runway to the government this summer.On Wednesday, chief executive Thomas Woldbye will unveil funding to increase capacity at terminals two and five,

Heathrow is set to expand two of its terminals following a multi-billion-pound investment, which will culminate with the launch of a third runway

London's Heathrow Airport, one of the world's busiest hubs, will submit its proposal for a third runway to the British government by summer, its chief executive Thomas Woldbye will say in a speech on Wednesday.