A video circulating on social media showing a man impersonating a Hamas fighter and making threatening attacks at the Paris Olympics reportedly originated from a Russian-linked disinformation network, Microsoft experts said. The video, posted by an account called ‘Hamas Fighter’ on Sunday, showed a man wearing black combat fatigues and a black and white keffiyeh over his face delivering a message to “the people of France and the French President Macron”. The Hamas fighter account, which joined X in February, was suspended shortly after the video was widely shared. “Rivers of blood will flow th…