Celinda Levno, 71, died between Saturday night and Sunday morning from a "senseless tragedy," said the Association of Professional Flight Attendants.

Two people were injured and a woman was killed on Saturday evening after a man stabbed the three of them in the heart of downtown Denver.

Celinda Levno, 71, is being remembered by loved ones and members within her industry for a career that spanned decades as a flight attendant.

A Phoenix-based flight attendant was the victim of a deadly stabbing on Denver's 16th Street Mall, according to her representative.

An American airlines flight attendant with close to 40 years of experience, Celinda Anne Levno, has died following a tragic stabbing incident in Denver, Colorado. Levno, of Phoenix AZ, was in Denver during a layover when she ended up being the tragic victim in a brazen murder.