MOSCOW (Reuters) – The lower house of the Russian parliament, the State Duma, plans to formally ask France’s National Assembly if it is aware that French mercenaries have been fighting on Ukraine’s side, Vyacheslav Volodin, the Duma’s chairman, said on Friday. Volodin, an ally of President Vladimir Putin, made the statement after the Russian Defence Ministry said on Wednesday that its forces had killed more than 60 foreign mercenaries, mostly French citizens, in a strike on a building in Kharkiv. It did not provide evidence to back the assertion. France rejected the allegations, saying it was …