VACAVILLE, Calif. --
The parents of a 2-year-old girl who was shot by her 8-year-old brother in Vacaville have been arrested, police said.
Police said arrest warrants were obtained for Michael Shanahan and Daniela Shanahan on charges of criminal storage of a firearm and felony child abuse or neglect.
The girl's mother was also was also charged with a felon in possession of a firearm, police said, on a conviction of felony DUI in Napa County.
Both people were arrested without incident and booked into the Solano County Jail, police said.
Michael Shanahan is being held on $36,666 bail, and Daniela Shanahan is being held on $43,333 bail.
The shooting took place at about 2:13 p.m. in the 1000 block of Syracuse Circle on Sept. 23. Both parents were home at the time, police said.
"Ayana and her 8-year-old brother were playing unsupervised in their parents' bedroom when a loaded handgun was found laying on the bed," police said in a news release.
The toddler died from a single shotgun wound, according to a police investigation.
Officials who did a search of the home removed six guns, rifles and handguns from inside.
"The evidence discovered in the investigation shows that the home was an unsafe environment for children because of the unsecured weapons that were located in the home," police said in a news release.
In addition to the unsecured weapons, police said in their investigation that another concern was the home's condition, which was described as "unkempt and dirty."
The boy is in the care of child protective services, police said.