Deputies got the call from a home at about 3:45 in the afternoon. They say several armed suspects forced their way into the house.
A family member of one victim tells Action News there were seven to ten suspects who were armed with guns and knives. He says they demanded money and jewelry and the victims gave them whatever they had. But investigators say the suspects then assaulted the victims before taking off.
Sgt. Brent Stalker said, "It's a very scary crime, it can be a very violent crime and it's something that we take very seriously because it shakes people up and rightfully so.
Detectives say the investigation is still in its preliminary stages but they are looking for a maroon truck and a white Chevrolet, possibly a suburban that was in the area at the time.
Anyone with information is asked to call the Fresno County Sheriff's Office.