At least five members of a family have been killed in a shooting attack in the Mexican border state of Sonora.
In a joint statement, the governments of Chihuahua and Sonora states, both of which border the US, said an investigation into the incident is currently underway.
Officials said some members of the LeBaron family, who are all American citizens, were presumed dead and others missing.
According to reports, drug cartel gunmen opened fire on their SUV and caused an explosion.

Shooting at Australia's Bondi Beach kills 12
Police hold person of interest after Brown University shooting leaves two dead
Hamas says Israel's killing of senior commander threatens ceasefire
Ukraine's Zelenskyy ditches NATO ambition ahead of peace talks
Thailand declares curfew along coast as Cambodia border fighting spreads
