Officials have confirmed that an American Airlines flight attendant was killed during a layover in Denver on Saturday in a stabbing spree that left one other individual dead and two others injured.

Celinda Levno was one of four people stabbed over the weekend at the 16th Street Mall. Police have since taken a suspect into custody.

Denver Police officers are looking for a suspect after a woman was killed and two people were injured in stabbings along the 16th Street Mall in 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.

American Airlines tells PEOPLE the company is “heartbroken and mourning the tragic loss of our colleague who was the victim of a senseless crime"

A Phoenix flight attendant was among four people stabbed during a two-day rampage in Denver over the weekend. Two people were killed, including a flight attendant, 71-year-old Celinda Levno, who was on a layover.

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

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

An online fundraiser has been set up to raise money for the funeral for a woman who was killed in a stabbing in Denver over the weekend. The flight attendant was one of the victims who died after a series of stabbings along the 16th Street Mall.