Overview
- Twenty passengers were treated and nine were taken to hospitals with non-life-threatening injuries, according to SAME.
- Three cars shifted onto a parallel track and smoke was reported, prompting a power cut and an evacuation along the rails.
- Trenes Argentinos resumed Once–Moreno operations late Tuesday with delays, but trains are not stopping at Liniers while forensic work continues.
- Judge Julián Ercolini opened a federal case, ordering alcohol and toxicology tests for the motorman and the preservation of signaling data and recordings.
- Security footage and on-scene images show the train deviating at a track switch and mechanical damage, as a union leader cited a recently installed switch; officials have not yet confirmed the cause.