Story highlights Abduction took place at the trendy La Leche restaurant in Puerto Vallarta

The elder Guzman is in prison, fighting extradition to US

(CNN) Shortly before 1 a.m. on Monday, seven armed men stormed into a trendy restaurant on the main drag of Mexican beach resort Puerto Vallarta.

They interrupted a group of revelers in the white-walled restaurant, separating the men from the women, and left with a high-value captive, according to Mexican authorities.

Jesus Alfredo Guzman, the 29-year-old son of jailed Mexican drug lord Joaquin "El Chapo" Guzman, was among the six men kidnapped, Jalisco Attorney General Eduardo Almaguer said at a news conference Tuesday.

The kidnapping is the latest blow to the elder Guzman's efforts from behind bars to maintain Sinaloa cartel's dominance in the region amid challenges from an emerging rival, the Jalisco New Generation cartel.

Jesus Alfredo and his brother Ivan Archivaldo Guzman are thought to be involved with the Sinaloa cartel, along with Guzman's son by another woman, Ovidio Guzmán Lopez.

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