The Queen’s aides have reportedly hit a ‘deadlock’ in finalising the details of the Megxit deal and the future of Prince Harry and Meghan Markle after the couple announced they would quit royal life. Buckingham Palace was expected to release a statement on the couple ‘imminently’ about the terms of the couple’s arrangement after Her Majesty ordered her courtiers to come up with a plan ‘in days, not weeks’.But it is understood officials are yet to iron out several key issues, including the Sussexes’ security, titles and future finances. Last night, a source close to the negotiations claimed the talks had reached a stalemate. The source told the Mirror that the talks had hit a ‘deadlock’ and that there was ‘huge pressure’ to produce something by the end of this week but that it ‘couldn’t be done’.Harry is expected to join Meghan in Canada soon, after spending time in Britain to work out the terms for the couple quitting during a summit with the Queen, Prince Charles and Prince William at Sandringham on Monday. Buckingham Palace is expected to release a statement on the couple ‘imminently’ on the terms of the couple’s arrangement after Her Majesty (pictured today) ordered her courtiers to…