Thailand has imposed a nationwide ban on drone flights for at least two weeks over fears that neighbouring Cambodia could use them to monitor troop movements or military facilities, warning tourists of fines of over US$1,200 and even jail time if they flout the rule.The order, issued by the Civil Aviation Authority of Thailand (CAAT), comes as tensions remain high despite a ceasefire agreement reached on July 28 that ended several days of fighting along a contested stretch of the Thai-Cambodian...