Seven armed men stormed into a trendy restaurant on the main drag of Mexican beach resort Puerto Vallarta and left with the 29-year-old son of jailed Mexican drug lord Joaquin "El Chapo" Guzman.
Mexican authorities say Jesus Alfredo 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.