By Ilaria Grasso Macola Three key London tube stations will be closed on Monday to prevent overcrowding ahead of the Queen’s state funeral. Westminster, St James’s Park and Hyde Park Corner tube stations will remain shut for most of Monday morning up to one million people are expected to flock into central London for the unprecedented event. Transport for London (TfL) announced on Friday that services at the tube stations will reopen following the state funeral at Westminster Abbey to help people leave the area. “It is going to be extremely busy in London on Monday and there may be short notic…