Hundreds of Hongkongers stranded overseas by a ban on travel from Britain fear they may face further difficulties returning home after three of their number, who flew to Hong Kong via Dubai and Singapore, tested positive for Covid-19.Many had already travelled to Dubai weeks ago, after the government said the only way they would be able to return was by spending three weeks in a destination outside Britain.The United Arab Emirates is one of the few places still allowing arrivals from there that…

This post was originally published on South China Morning Post.