UPDATE: A second person has died following the stampede, bringing the overall death total to 2, with 7 injured, per AP.

Previously reported: One person died, and nine others were injured following a stampede Sunday during a GloRilla concert in Rochester, New York. Two of those nine are in critical condition.

Per NBC News, the rapper and Finesse2tymes were performing at the Main Street Armory when concertgoers thought they heard gunshots, causing the stampede. However, officials later found “no evidence to support a shooting having occurred.”

A 33-year-old woman did not survive her injuries.

“What began last night as a night of live music and fun for the performer GloRilla ended in tragedy with one person dead and two more fighting for their lives,” Police Chief David M. Smith said in a briefing, according to the Associated Press.

“The injuries appear to be as a result of a large crowd pushing towards the exits following accounts of individuals hearing what they believed to be gunshots,” Rochester Police Lt. Nicholas Adams told the Associated Press.

Later that evening, GloRilla, whose real name is Gloria Hallelujah Woods, offered condolences to those injured.

“I’m just now hearing about what happened wtf,” she wrote on Twitter. “Praying everybody is ok.”

The AP reported Rochester Mayor Malik Evans called the stampede “a tragedy of epic proportions” and promised a thorough investigation. “We are going to hold people accountable for what happened last night, period,” Evans said.