Man was expelled from a bar in San Luis Rio Colorado, Sonora, Mexico, for his inappropriate behavior towards women.

Seeking revenge, he later returned and set the bar on fire, resulting in the loss of 11 lives - seven men and four women, reported AFP.

Four others are currently hospitalized. The attack took place overnight Friday into Saturday, leaving the community in shock and mourning.

Authorities suspect a Molotov cocktail was used in the heinous act.