The driver of a Tica Bus appears to have suffered some form of fatal attack at the wheel Tuesday, and the vehicle ran off the Interamericana highway near Grecia and rolled on its side.
The Judicial Investigating Organization identified the driver by the last name of Zúñiga, There were more than 40 passengers on the bus, and most suffered bumps and bruises. Some were hospitalized.
The bus was headed from San José to Nicaragua, said judicial investigators. Paramedics took the driver to the Hospital de Grecia where he died shortly after arriving. Agents said he was 52.
An autopsy will be conducted to determine the cause of death.