Mexico asks for evidence after US official says shots were fired at border personnel

On September 26, Coast Guard personnel exchanged gunfire with individuals across the US-Mexico border near Garceno, Texas. The incident occurred while federal agencies were conducting joint operations to intercept migrants crossing the Rio Grande River. No injuries or damage to Coast Guard assets were reported. U.S. Ambassador Ronald Johnson commented on X about shots fired at U.S. personnel from Mexican territory, prompting Mexican President Claudia Sheinbaum to request evidence of such an event during a press conference on October 5. She stated that Mexican security forces had not detected any firing incidents from their side targeting U.S. personnel. The exchange comes as both countries deepen border security efforts; Mexico deployed 500 troops, including Army and National Guard units, in "Operation Mirror" to combat illegal activity along the frontier.