WARSAW (Reuters) – Thousands of people gathered in Warsaw on Friday for an annual march organised by the far-right to mark Independence Day, with a handful carrying white supremacist or anti-gay rights banners and firing off red flares. Marchers, including families with children as well as representatives of far-right groups, waved white and red Polish flags and chanted “God, Honour, Homeland” as they walked through central Warsaw amid a heavy police presence. The annual event has become a point of friction between far-right groups and supporters of the nationalist Law and Justice (PiS) govern…