It was an unlikely mix - Argentine pensioners gathered in front of the congressional building on Wednesday, flanked by soccer fans from teams normally at odds with one another.

Clashes broke out in Buenos Aires during a street protest by retirees against government budget cuts that they say are lowering their living standards. Soccer fans decided to join the weekly protest after police dispersed the pensioners with tear gas and baton blows a week earlier.

Argentine police fought running battles on Wednesday with hundreds of football fans and anti-austerity marchers, during a weekly protest by pensioners in Buenos Aires.

Footage of police firing at an elderly woman during a protest in Argentina has gone viral as protests against the government's economic policies grow in size, particularly in response to pension cuts.