“Putin, handle Ukraine, Brussels, and our government,” the spray-painted message said. Journalists covering the farmers’ protests in Poland noticed the slogan and a Soviet Union flag on the tractor. Russian propaganda widely used the photo of the flag and banner. Read also: Protesting Polish farmers warn of escalating border blockade, vow possible bus disruptions The farmer has been accused of inciting hatred, according to Polish authorities, prompting an official investigation. Polish Interior Ministry reported that the controversial banner was quickly taken down by police. According to Polis…