Footage has surfaced on social media showing the moment Travis Scott pauses his performance in order to call for help after spotting fans in distress.
On Saturday (November 6), it was reported that at least eight people had lost their lives following a chaotic crowd surge during Friday's opening night of the festival, which was being held in Houston, Texas.
As reported by BBC News, emergency officials have said that eleven people were transported to hospitals in cardiac arrest - with eight people tragically dying. Some people were also treated on-site at the NRG Park, at the temporary field hospital.
Around 300 individuals were also treated for injuries - such as bruising and cuts.
Sky News reports that people started to rush towards the front of the stage as 30-year-old Scott was performing.
Now, footage has emerged online showing the moment Scott - who runs the festival - stopped mid-performance after spotting a concert-goer in distress.
Watch the moment Scott calls for help in the video below:In the clip, Scott can be seen on stage, before pausing his performance to say: "We need somebody to help, somebody passed out right here," as he points to the crowd.
"Somebody passed out right here... No, no - don't touch them, don't touch them. Everybody just back up," he adds.
The rapper continues: "Somebody jump in - Come on, come on. Security, get in there, let's get in there."
Another video from the crowd shows festival-goers chanting: "Stop the show!"
Chief Lt. Larry Satterwhite from the Houston police was at the front of the stage when the tragedy started to unfold. "It seems like it happened with just over the course of a few minutes," Satterwhite said. "Suddenly we had several people down on the ground experiencing some type of cardiac arrest or some type of medical episode.
"We immediately started doing CPR."
Houston Police Chief Troy Finner also spoke to reporters regarding the tragedy, telling people "it's very important that none of us speculate", adding: "Nobody has all the answers tonight."
"We're going to do an investigation and find out because it's not fair to the producers, to anybody else involved, until we determine what happened, what caused the surge. We don't know, but we will find out," Finner added.
Meanwhile, Lina Hidalgo, a local politician and county judge of Harris County, described the incident as an "extremely tragic night".
"Our hearts are broken," Hidalgo said. "People go to these events looking for a good time, a chance to unwind, to make memories - it's not the kind of event you go to where you expect to find out about fatalities."
On Twitter, the Astroworld Festival itself has issued the following statement: "Our hearts are with the Astroworld Festival family tonight – especially those we lost and their loved ones.
"We are focused on supporting local officials however we can. With that in mind, the festival will no longer be held on Saturday.
"As authorities mentioned in their press conference earlier, they are looking into the series of cardiac arrests that took place. If you have any relevant information on this, please reach out to @HoustonPolice.
"Thank you to our partners at the Houston Police Department, Fire Department, and NRG Park for their response and support."
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