Police officers stand guard near tractors, as farmers protest against the EU-Mercosur free-trade deal between the European Union and the South American countries of Mercosur, on the day of a European Union leaders’ summit, in Brussels, Belgium, December 18, 2025. YVES HERMAN / REUTERS
Farmers in tractors blocked roads and set off fireworks in Brussels on Wednesday, December 17, outside a European Union leaders’ summit, prompting police to respond with tear gas and water cannon as protesters rallied against a major free-trade deal with…