Twenty-two people have been killed in separate incidents in Mexico, authorities said.
Seventeen people were killed in Chihuahua state while five died during a concert in Nuevo Leon state on Sunday.
The prosecutor's office in Chihuahua said on Sunday four men were killed and one woman was injured during a shootout at a bar in Ciudad Juarez, a city bordering Texas, Xinhua reported on Monday.
In another incident in Ciudad Juarez, gunmen killed three youngsters while they were watching a soccer game from inside their car.
Authorities also found five corpses with bullet injuries, near the highway between Chihuahua and Cuauhtemoc. The five men had been kidnapped on Saturday, police said.
Another five men were killed in a bar in Camargo city in Chihuahua state, while five people died on Sunday during an uproar at a concert in Guadalupe, in Nuevo Leon state.
The incident occurred when a music group - Intocable - was performing at the Livestock Expo in Monterrey, capital of Nuevo Leon.