School was canceled in several Mexican states and local and foreign governments alike warned their citizens to stay inside, as widespread violence erupted following the army's killing of the powerful leader of the Jalisco New Generation Cartel.

The Mexican army killed the country’s most powerful cartel leader and one of the United States’ most wanted fugitives on Sunday, notching a major victory while cartel members responded with a wave vio...

Oseguera died while being transported via air with other cartel associates to Mexico City for treatment, the military said.