GENEVA - The United Nations voiced concern on Tuesday at the fate of 12,000 Syrian refugees stranded at the Syria-Jordan border in deteriorating humanitarian conditions. 'The lives of refugees will be at risk in the coming months,' Melissa Fleming, spokeswoman of the UN High Commissioner for Refugees (UNHCR) told a news briefing in Geneva. 'So today the UNHCR appeals to the government of Jordan to allow refugees stranded at the border to entry the country.