Bus plunges off bridge in Russian city of St Petersburg, killing 7 torontosun.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from torontosun.com Daily Mail and Mail on Sunday newspapers.
The US accused Russia of violating the international chemical weapons ban by deploying the choking agent chloropicrin against Ukrainian troops and using riot control agents "as a method of warfare" in Ukraine.