Violent clashes erupt between cartel gunmen and police in Mexico

Intense fighting has erupted in the Mexican city of Culiacán, where masked gunmen threw up burning barricades and traded gunfire with security forces after authorities arrested one of the sons of the jailed former leader of the Sinaloa drug cartel Joaquín El Chapo Guzmán. The chaotic scenes in Culiacán, a longtime stronghold for the Guzmáns cartel, have increased pressure on President López Obrador, who took office in December promising to pacify a country weary after more than a decade of drugwar figh