India, Feb. 23 -- Mexico's most wanted man, Nemesio Oseguera Cervantes-known as "El Mencho" and the leader of the feared Jalisco New Generation (CJNG) cartel-has been killed during a security operation, according to media reports.

Oseguera Cervantes died on Sunday while being transported to Mexico City after sustaining serious injuries in clashes between his supporters and the army, the BBC reported.

The confrontation in Tapalpa town resulted in the deaths of four CJNG members, while three army personnel were injured. U.S. authorities had provided information to Mexico that led to the operation.

Mexico's President Claudia Sheinbaum Pardo called for calm. "The Ministry of National Defense reported on the operation carried out this morni...