Mexico’s northeast state, constitutionally free and sovereign, divided into 43 municipalities.
The mayor of Rio Bravo, Miguel Angel Almaraz, has been released hours after his abduction in a region spanning Zacatecas and San Luis Potosi. He was taken on Saturday while traveling with family; his relatives alerted authorities and he was freed in Zacatecas. Authorities are investigating the motive and potential cartel involvement.