An intense gun battle reportedly ended with a state police unit being reportedly destroyed by flames south of the border in Reynosa.
It all happened next to an El Pollo Loco restaurant near the Anzalduas Canal and Calle Bravo just before dawn Saturday.
Authorities have not released information but Reynosa residents reported the incident on the social media network Twitter.
Residents reported that early morning gunfire was followed by detonations.
Several pictures of a vehicle believed to be a Tamaulipas State Police unit on fire circulated widely on Twitter.
One resident recorded a video where gunfire can be heard in the background.
It's not known at this time if there were any injuries.