Several people were killed and injured when a coach carrying Dutch tourists in eastern Switzerland crashed, police said on Thursday.The accident happened at about 4.45pm between the communes of Susch and Zernez in the far-eastern canton of Graubunden.The coach hit a safety barrier before overturning and plunging down an embankment, a local police spokesman told Swiss media.The Dutch Federation of Travel Agencies (ANVR) said that the coach belonged to the tour company Oad and was carrying 48...