BBC staff attacked in Moscow
One was attacked in the Moscow metro. His assailants were later arrested by the police.
Another was robbed in the street and had his nose broken.
A third – a correspondent with the BBC's Russian service – sustained a head injury and needed stitches.
The corporation says it is extremely concerned at the assaults.
It says there is no evidence to suggest that the attacks were motivated by the fact the victims worked for the BBC. But a BBC statement said they “are exploring that possibility.”