Thedirector of the ObSon group, which includes the newspapers El Tiempo and the weekly Última Palabra, was shot dead in the city of Obregon, located in southern Sonora state, Mexico, as he was leaving a restaurant with two officers of the local police.
According to the Sonora State Attorney General's Office, quoted by media, witnesses identified at least two people travelling in a white van as the perpetrators of the fatal shooting. Armenta was under state protection because of threats to his media from various organised crime groups.
A protection officer was also killed in the attack, while a police commander was injured.