Mexican authorities have reported the death of 13 people with 98 injuries after a train derailed in Mexico on Sunday, according to the Mexican Navy.

According to the Mexican navy, there were 250 people on board the vessel which derailed in Asunción Ixtaltepec, Oaxaca, on the train’s main line between Veracruz and Salina Cruz.

In a statement, the navy said that 36 people required hospital care and the rest sustained minor injuries. Hundreds of naval personnel and rescue vehicles have been sent to the scene, it said.

An investigation will be opened to determine the cause of the derailment, Mexico’s Attorney General, Ernestina Godoy said in a post on X.

Mexico’s president, Claudia Sheinbaum, also addressed the incident, writing on X that she has instructed the Secretary of the Navy and Interior Ministry’s Undersecretary for Human Rights “to travel to the site and personally attend to the families.”