Following violent incidents outside Argentina's Congress during the debate on labor reform, the authorities reported the arrest of 20 individuals, seven of whom are identified as militants from political groups associated with the national deputy Juan Grabois. These groups include the Movement of Excluded Workers (MTE) and the Union of Workers of the Popular Economy (UTEP). Among the arrested, militants from the Justicialist Party and a motorcycle mechanic were also included, indicating a mix of political affiliations at the scene. Significant focus has been placed on the involvement of Grabois's supporters due to their claims of intentional targeting by the police.

Grabois's supporters allege that the arrests occurred as they were dispersing and were a part of an unnecessarily violent police operation. They argue that this operation lacked grounds, as the activists were not engaging in violent behavior at the time of their detention. A prominent case mentioned is that of lawyer Juan Manuel Reichenbach, a known MTE militant, who was accused of assault and resisting authority. He was later released, highlighting concerns over the legal actions taken by law enforcement against political activists.

This incident raises questions about police conduct in politically charged situations in Argentina, especially given the current climate surrounding labor reform debates. The arrests of Grabois’s supporters could indicate broader tensions within Argentine politics, particularly regarding how the state reacts to dissent from left-leaning groups amidst ongoing economic reforms. As such, these events reflect the complicated interplay between politics and law enforcement in the country.