Despite being stripped of his royal titles, Andrew Mountbatten-Windsor could still technically become the king: he's eighth in line to the throne. While there's a growing push within the UK parliament to remove him from the line of succession — a move which Australia and New Zealand are supporting — actually doing so is far more complicated than it might seem. Matilda Boseley explains what would have to happen in order for Mountbatten-Windsor to his lose his spot in the line of succession

• Australian government says it would support removing Andrew Mountbatten-Windsor from royal line of succession

• New Zealand would back removal of Andrew Mountbatten-Windsor from royal line of succession, says PM