Thousands of workers mobilized by trade unions converged outside Argentina’s Congress on Wednesday, blocking traffic and clashing with police as senators debated a sweeping overhaul of the nation's rigid labor laws.
Security forces struggled to control the crowds in a central square of downtown Buenos Aires, firing water cannons and rubber bullets at protesters who lobbed petrol bombs, stones and water bottles.
Security Minister Alejandra Monteoliva said two people were arrested for attacking police officers.
