Heathrow Airport's new £2.5bn terminal was opened by the Queen today with one VIP guest visibly missing.

London mayor Boris Johnson turned down an invitation to the royal opening. He was thought to be in meetings at City Hall.

The Queen Elizabeth signs the new visitors book at Heathrow Terminal 2 Credit: PA

The mayor is fierce opponent of Heathrow's ambitions for a third runway. He wants to close the airport and turn the site into a new town.

Credit: PA

The Queen was joined by the Duke of Edinburgh to formally open Terminal 2, now known as the Queen's Terminal.

Credit: PA

Other VIPs included the Transport Secretary Patrick McLoughlin and Metropolitan Police Commissioner Sir Bernard Hogan-Howe. A spokesman for the mayor said:

The mayor is unable to attend due to City Hall diary commitments.

Credit: PA