(CNN)Gunmen burst into a party hall in southeastern Mexico on Friday and opened fire, killing at least 13 people, authorities said.
The attackers raided a family party in the city of Minatitlán in the Mexican state of Veracruz. Six men, five women and a child were killed and four others were wounded, the state's public security department said.
Authorities said the suspects were looking for a person known as "El Beky" when shooting ensued, according to preliminary reports obtained by the state police. He is believed to be the owner of a bar located in Minatitlán.
But the motive behind the mass shooting was not immediately known.
"Federal and state forces have deployed a strong search and capture operation of those responsible for the events," Gutiérrez Maldonado, secretary of public security in Veracruz state, tweeted Saturday.
State authorities held an emergency meeting "to address the regrettable and condemnable events