Prince Harry and Meghan Markle have returned to royal duties as they arrived at Canada House in London following a six-week break.The Duke and Duchess of Sussex, who recently enjoyed a private family holiday with their baby son Archie Harrison in Canada, made their first public appearance since late last year.The royal couple visited Canada’s High Commissioner in London, Her Excellency Janice Charette, to thank the country for their hospitality during their trip over the festive season.