International Airlines Group has revealed it has had a takeover offer, believed to be in the region of £750 million, for Irish flag-carrier Aer Lingus rejected. Shares in both companies surged as the bid became public, with a potential deal giving IAG-owned British Airways access to valuable landing slots at London Heathrow Airport.![](data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHZpZXdCb3g9IjAgMCAxIDEiPjxyZWN0IHdpZHRoPSIxMDAlIiBoZWlnaHQ9IjEwMCUiIGZpbGw9IiNjZmQ0ZGIiLz48L3N2Zz4=)