Mark Thatcher (R), the son of former British prime minister Margaret Thatcher, leaves with his daughter Amanda from the Palace of Westminster in London April 16, 2013. Members of the family attended a short service in Westminster, after Thatcher's coffin arrived to lay at the St Mary Undercroft chapel overnight, before her funeral on Wednesday. Thatcher, who was Conservative prime minister between 1979 and 1990, died on April 8 at the age of 87.[Photo/Agencies]