developing story
I'm sure the many gun owners in the US are gonna advice to arm kindergarten students too.
Two adults and a child have been killed in a shooting in a classroom of a primary school in San Bernardino, California, police say.
The suspect shot and killed his estranged wife, a teacher, and wounded two children who were behind her, one of whom died of his wounds.
He then turned the gun on himself, police said.
Police chief Jarrod Burguan described the incident as a suspected "murder-suicide" attempt.
The shooting happened at 10:30 local time (17:30 GMT) at North Park Elementary School in San Bernardino county, 60 miles (96km) east of Los Angeles.