PARIS, May 12 (Reuters) - President Emmanuel Macron's office has accused France's enemies of spreading fake news by suggesting that he and other European leaders had taken drugs on a train during a visit to Kyiv. Video footage published online showed Macron sitting at a table in a train compartment with German Chancellor Friedrich Merz and British Prime Minister Keir Starmer. "When European unity becomes inconvenient, disinformation goes so far as to make a simple tissue look like drugs," the Elysee said in a post on X, above a picture of a tissue on the table captioned: "This is a tissue.