Mass grave pits have been found near Moscow containing the remains of thousands of people executed by Soviet dictator Joseph Stalin's secret police during his "Great Terror" campaign of purges. Olivia Chan reports.
Thai sniffer dogs make COVID detection debut msn.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from msn.com Daily Mail and Mail on Sunday newspapers.
Three of six trained labrador retrievers have debuted as Thailand's coronavirus sniffer machines at Chulalongkorn University in Bangkok, going through hundreds of sweat samples per day as they join the fight to detect infected asymptomatic patients amid a third wave of outbreak. Olivia Chan reports.