There are multiple fatalities, though the precise number of victims is unclear as rescue crews hunt for any survivors.

A Phoenix-based flight attendant is one of two people who died over the weekend following a seemingly unprovoked stabbing spree in downtown Denver. Celinda Levno, 71, is being remembered by loved ...

A Phoenix-based flight attendant is one of two people who died over the weekend following a seemingly unprovoked stabbing spree in downtown Denver. Celinda Levno, 71, is being remembered by loved ones ...