Mexican drug war The Mexican National Guard arrests Ovidio Guzmán López, one of former cartel leader Joaquín "El Chapo" Guzmán's sons, in Culiacán. He is later released after government forces come under intense attack and are overpowered by Sinaloa Cartel gunmen, according to Security Minister Alfonso Durazo. Heavy fighting erupts as El Chapo's son goes free © BBC News Sources: BBC News CNBC
