04/28/2013 05:28 pm ET Updated Apr 28, 2013

8-Year-Old Girl Allegedly Killed By Intruder In Calif. Home (VIDEO)

Police are searching for a man who is believed to have attacked and killed an 8-year-old girl in her rural California home.

The suspect, described as a white or Latino male with long gray hair and a muscular build, allegedly broke into a house in Valley Springs, Calif, on Saturday and stabbed the child, according to NBC affiliate KCRA.

The girl, identified by county coroner Kevin Raggio as 8-year-old Leila Fowler, was later pronounced dead at the hospital. (The child was initially reported as being 9-years-old but Raggio said Sunday that she would've turned 9 this summer, per the AP.)

According to Fox 40 News, the girl's 12-year-old brother had been in the house at the time of the attack. He reportedly called his parents, who were not in, to inform them of the intruder.

On Saturday, Valley Springs residents were told to lock their doors as authorities scour the area for the suspect.

"It is a difficult area to search, it's rural, remote," sheriff's Capt. Jim Macedo told the AP of the ongoing manhunt.

Police say the suspect should be considered "armed and dangerous."