Folsom Police shot and killed a man after he confronted them with a knife after he apparently stabbed an infant to death and injured his aunt on Thursday afternoon. 

Six-month-old Roberto Valera was pronounced dead at the hospital, after hours of battling for his life. His mother, Arela Aguilar is in critical condition. 

Police responded to a call on Montrose Drive in Folsom at about 2:30 p.m. Thursday afternoon after they received reports of a stabbing. 

The suspect, a man in his 20s, was shot by at least one officer in the residential neighborhood, when he reportedly confronted police with a knife. The man died on the way to the hospital, authorities said.

The woman and child were also transported to an area hospital. Their conditions are unknown. 

Witnesses are being questioned. 

The name of the suspect has not been released at this time. 

Stay tuned to NewsRadio KFBK and for updates on this developing story.