Carlos Manzo, 40, an outspoken critic of organized crime, was fatally shot on Nov. 1 while attending a candlelight Day of Dead festival.

Carlos Manzo, an outspoken critic of organised crime, was shot dead during a public festival in the city of Uruapan.

Mexican President Claudia Sheinbaum ruled out a new "war on drugs" as a response to the assassination of a regional mayor who was shot at a Day of the Dead celebration, a brazen killing that has sparked national outrage.

Carlos Manzo was attacked shortly after 8 p.m. and later died from his injuries at a hospital, officials said.

Mexico’s President Claudia Sheinbaum has firmly rejected the prospect of U.S. military intervention following the assassination of Uruapan Mayor Carlos Manzo by cartel gunmen during a public festival in Michoacan.

Authorities say that a mayor in Mexico’s western state of Michoacán was shot and killed in a public plaza on Saturday evening.