An armour-plated "battle bus", believed to have been used by former prime minister Margaret Thatcher, has been sold at auction in Northamptonshire.

BBC: Margaret Thatcher 'battle bus' sells in Towcester auction

An armour-plated "battle bus", believed to have been used by former prime minister Margaret Thatcher in Northern Ireland, is to go under the hammer.

BBC: Margaret Thatcher's "Battle Bus"