Ryan Blanchet News Today

A 27-year-old man was arrested on suspicion of hitting and sexually assaulting a person Monday evening in Fremont, police said.

"Toxicology results confirmed the (infant) had a high level of fentanyl in his system at the time of death," according to Fremont Police.

The Fremont mother of a toddler who allegedly died due to exposure to fentanyl has been arrested on suspicion of the child's death, police said Tuesday.