Omicron COVID-19 variant detected in Nebraska, Utah

Much remains unknown about the omicron variant, including whether it is more contagious, as some health authorities suspect, whether it can thwart vaccines and whether it makes people as sick as the original strain.

2 Nebraska kids found dead in home, father arrested in California

5-year-old Emily and 3-year-old Theodore had been staying with their father in Nebraska for a court-ordered visitation with him. But when their mom couldn't get a hold of her children, she repeatedly called police before a family friend found both kids dead in the home. Their father disappeared but was later arrested in California.