At least 7 bodies found in clandestine graves in suburb of Monterrey in northern Mexico

NEWYou can now listen to Fox News articles!

Mexican authorities say at least seven bodies have been found in clandestine graves in the northern state of Nuevo Leon, where two drug cartels have been fighting a turf war for more than three years.

An official with Nuevo Leon state police investigators says a passer-by reported two bodies dumped along a riverbank in the town of Juarez, which is a suburb of Monterrey, Mexico's third-largest city.

The official He said Tuesday that police arrived at the scene late Monday and discovered several clandestine graves in the area containing at least five bodies and several body parts.

The official spoke on condition of anonymity because he was not authorized to discuss the case.

The official says causes of death have not been determined.