Tens of thousands of Argentines marched in the streets of Buenos Aires on Wednesday, banging drums and chanting in a show of support for ex-president Cristina Fernandez de Kirchner as she started a six-year sentence under house arrest for corruption.

A federal court in Argentina has granted former Argentine President Cristina Fernández de Kirchner’s request to serve a six-year prison sentence for corruption at home

Protesters have denounced the leader’s incarceration and ban from public office as an act of political retribution.