LANCASTER, Calif.—A man was in custody Nov. 29 for allegedly killing his four children and their grandmother at a Lancaster home, authorities said.

The shootings were reported at 10:27 p.m. Sunday in the 3500 block of Garnet Lane, according to Deputy Tracy Koerner, also of the Sheriff’s Information Bureau.

Germarcus David, 29, was booked on suspicion of the murder of his children, all under the age of 12, and his mother-in-law, a woman in her 50s, said Deputy Trina Schrader, also of the Sheriff’s Information Bureau.

The children who were killed were a girl and three boys, one of whom was an infant, the sheriff’s department reported.

Each of the victims was shot in the upper body, according to Deputy Tony Moore.

Authorities withheld the names of the dead, pending notification of their next of kin.

David was being held on $2 million bail.

Anyone with information was asked to call homicide detectives at 323-890-5500 or Crime Stoppers at 800-222-TIPS (8477).