What do you know about Mexico gunbattle near Texas border between suspected cartel members, police leaves at least 21 dead?

Four of the dead were police officers killed in the initial confrontation and that several municipal workers were missing. The Coahuila state government said that security forces killed seven additional members of the gang, bringing the death toll to at least 21. The police had identified 14 vehicles involved in the attack and seized more than a dozen guns.

https://www.foxnews.com/world/mexico-cartel-member-gunbattle-police-texas-border