The motive behind the shooting was not immediately clear. Picture used for illustrative purposes only.
Three people were injured in the attack in the south of Irapuato, the city government said in a statement, adding that security officials were trying to track down the assailants.
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The motive behind the shooting was not immediately clear. An initial statement by the city had put the death toll at 11.
Guanajuato, a major manufacturing hub and production site for many of the world's top carmakers, has been convulsed in recent years by brutal turf wars between rival drug gangs.
On Sept. 21, gunmen shot dead 10 people in an attack at a bar in the Guanajuato town of Tarimoro, about 60 miles (96 km) southeast of Irapuato.
President Andres Manuel Lopez Obrador took office in late 2018 pledging to reduce record levels of gang violence in Mexico, but he has struggled to contain the bloodletting.
While homicides have fallen somewhat in 2022, the tally during Lopez Obrador's six-year term is on track to be the highest in Mexico's modern history by a substantial margin. He has blamed corruption in past governments for fuelling the lawlessness.
According to authorities, the bodies of the 10 men were found by the police on a sidewalk in front of the house. That of the boy was inside and those injured were located at a local hospital.
Jontae Adams and his daughter, Jaslyn, were in a car Sunday afternoon in a McDonald's parking lot in the Homan Square neighborhood when they were shot, Chicago police said.
The discovery of the bodies was another reminder of the task facing President Andres Manuel Lopez Obrador, who took office in December vowing to reduce the gang-fuelled violence.
The committee said, “The Crescent for the month of Ramadan was NOT SEEN in Saudi Arabia today, subsequently Thursday 23rd March 2023 will be the first Day of Ramadan. Taraweeh Prayers will begin following Isha Prayers tomorrow."
The Shariah courts across the country will monitor and notify the committee of any sightings, while the Lunar Calendar Committee at the Abu Dhabi Judicial Department will continue to gather evidence and report its findings to the Moon-Sighting Committee.
On the sidelines of the meetings, Kishida visited Budhha Jayanti Park with Modi where Indian PM insisted his Japanese counterpart to taste ‘Pani Puri.’