The deaths were reported shortly after 1 p.m. Monday in the 40000 block of Inglewood Common and officers arrived to find a 1-year-old boy and 4-year-old girl dead along with their mother, who is believed to have taken her own life, according to Fremont police.
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Investigators found a knife at the scene, but did not provide further details on what led to the killings. The names of the children and mother were not immediately released.
"This was one of the most difficult calls for service that Fremont has experienced in recent years and many of our officers and firefighters are experiencing their own sense of loss and sorrow," Fremont Police Chief Sean Washington said in a news release Tuesday about the case.
If you or your child needs help right away, call the National Suicide Prevention Line at 1-800-273-TALK (8255), call 911, or take your child to the nearest crisis center or emergency department.