Every year, for National Independence Day, tens of thousands of Poles attend a nationalist march in Warsaw. Since its inception, a cell of far-right football fans – or “ultras” – in attendance have clashed with police, and the demonstration has turned into a ferocious battle between hooligans and the state.

This year, however, something is different. A right-wing, socially conservative government, The Law and Justice Party, is elected on the eve of the march. How will this affect the traditionally hostile event?