A quarry collapse in eastern Rwanda and a chain-reaction crash on a major Argentine highway have killed at least 13 people in separate incidents, according to local authorities. In Rwanda, ten workers were buried when a quarry wall gave way in Nyamabuye village, Bugesera district, on Thursday. In Argentina, three occupants of a Chevrolet Corsa died on Friday afternoon after their car was struck from behind, crossed the central reservation, and collided head-on with a pickup truck on National Route 7 near San Andrés de Giles, Buenos Aires province.

Rwandan police confirmed that the victims were extracting sand and stone when the collapse occurred. Rescue teams recovered all ten bodies by late Thursday and transferred them to Kacyiru Hospital in the capital, Kigali. District mayor Richard Mutabazi said authorities have prohibited further work at the site. Police stated that an investigation is under way to determine the exact cause of the accident, but no further details have been released.

In Argentina, the sequence of events remains under judicial investigation, though a preliminary hypothesis has emerged from the testimony of the driver of a Renault Sandero. According to emergency personnel cited by multiple Argentine news outlets, the woman at the wheel told responders she had fallen asleep before her car rear-ended the Corsa. The impact sent the Corsa across the median strip and into the path of an oncoming Fiat Strada. The three deceased—a 12-year-old boy, a 19-year-old man, and a 43-year-old man, all from Rafael Castillo in La Matanza—were trapped inside the overturned vehicle. A fourth occupant, a woman, was pulled from the wreckage by bystanders and remains hospitalised with serious injuries.

Conflicting accounts surround the number of people in the Fiat Strada. Some witnesses and police sources suggest the driver was alone, while others indicate a possible second occupant. What is confirmed is that the driver suffered severe head trauma and is in intensive care at the municipal hospital of San Andrés de Giles. The two people in the Sandero were treated for multiple injuries and taken to a hospital in Carmen de Areco. Argentine authorities have not yet formally attributed blame, and accident investigators are working to corroborate the driver’s statement with forensic evidence.

Both incidents remain under active investigation. In Rwanda, police have not indicated whether safety violations or geological factors contributed to the collapse. In Argentina, judicial authorities are awaiting the results of accident reconstruction and toxicology tests. No charges have been filed in either case.