"Several hundred firefighters have broken through police lines and hosed down the prime minister's office in Brussels to protest the government's tougher retirement plans. Firefighters demand to keep their early retirement age at 58, arguing their arduous job does not allow them to work into their sixties."
https://www.youtube.com/watch?feature=player_embedded&v=26dtpOZw0do

Solche Proteste gab es 2011 auch schon:
https://kreativerstrassenprotest.twoday.net/stories/31624029/