A California mom is facing multiple charges, including murder, after police said they found her baby girl unresponsive and toddler son injured Tuesday at an Upland apartment complex. The infant later died, authorities said.

According to the San Bernardino Sun, Tierra Rose Ortega, 24, threw the boy off a balcony about 11:30 a.m. before jumping to the ground, police said. When first responders arrived, they also found the baby, who appeared to have a fractured skull and wasn't breathing, inside the apartment, police said.

>> Read more trending news

Ortega and the children were taken to a nearby hospital for treatment, but the baby died, police said. The boy, who broke his foot, was in stable condition, according to the Sun and KTLA.

Police arrested Ortega after doctors released her from the hospital, the Sun reported. She is being held without bond on charges of murder, attempted murder and assaulting a child under 8 years old, authorities said.

Read more here or here.