PHILADELPHIA - The Queen's coffin arrived at Holyrood Palace in Edinburgh. She left Balmoral Castle in the early hours of this morning. A cortège carried the coffin through the city's streets until it reached Holyroodhouse. Thousands of people lined the procession route to watch the cortège. A mini-laying-in-state will also take place in St Giles' Cathedral. Afterward, she will lie in state at Westminster Hall in central London.