Train crash kills 49, injures 550 BUENOS AIRES, Feb. 22 (UPI) -- A commuter train crashed into a platform at a Buenos Aires train station Wednesday, killing at least 49 people and injuring 550, authorities said. Rescue workers confirmed about 60 people were still trapped inside and under the train, the Buenos Aires Herald reported. The state-run TBA Sarmiento train was filled with passengers on their daily commute, the newspaper said. Transport Secretary Juan Pablo Schiavi said the train hit the platform at the Once train station at 12 mph. He said the impact of the crash caused the second car to be pushed nearly 20 feet into the first. Alberto Crescenti, head of the SAME ambulance service, said at least 15 ambulance teams were treating the injured, Telam news agency reported. A 7-year-old boy who had been trapped three hours in one of the front cars was among the first reported fatalities. At least 70 people were pulled from the wreckage and taken to Ramos Mejia Hospital and Durand Hospital.