The 2023 Sinaloa unrest or The Second Black Thursday began on January 5, 2023, following the arrest of Ovidio Guzmán, son of jailed drug lord Joaquín 'El Chapo' Guzmán, sparking a wave of violence in the state of Sinaloa. In retaliation for the arrest of Ovidio Guzmán, cartel members blocked highways with burning vehicles and began attacks against the armed forces. The Culiacán International Airport was closed after gunfire was opened on two planes. On January 13, the Mexican Secretary of the Interior Adán Augusto López Hernández declared that "order has been reestablished" in Sinaloa.