In May, the OPCW concluded that allegations of Russian forces using tear gas and riot control agents in its war with Ukraine ...

The world’s chemical weapons watchdog on Monday said it had found traces of tear gas in samples taken last month on the front line with Russia in Ukraine’s central-east Dnipropetrovsk region.

THE HAGUE (Reuters) - The world's chemical weapons watchdog on Monday said it had found traces of tear gas in samples taken last month on the frontline with Russia in Ukraine's central-east ...