The director of Rome's Colosseum has called for an end to concerts at the nearby Circus Maximus, after a performance by US rapper Travis Scott on Monday sparked fears of an earthquake.
Italy's fire service confirmed to CNN that it received "hundreds of calls" from concerned residents who feared there had been an earthquake in the Italian capital.
From about 10.30 p.m. local time, Romans also took to social media with comments like: "Anyone feel an earthquake?"
But a Rome-based CNN reporter, who also experienced the shaking that evening, confirmed with local authorities that the phenomenon was not caused by nature.
The movement turned out to be a result of tens of thousands of people jumping up and down to the music, especially when Scott introduced a surprise guest: Kanye West.
It was the first time that West, now known as Ye, has performed since he sparked a storm of controversy with a series of antisemitic comments.
Now, Alfonsina Russo, director of the head of the Colosseum Archeological Park, has called for an end to performances at the Circus Maximus, the ancient Roman chariot-racing and entertainment venue.
Russo has called for only opera and ballets to be staged at the grassy oval arena, which has no seating, leaving audiences to stand on the flat surface or sit on the outer edges.
"The Circus Maximus is a monument. It is not a stadium, not a concert hall," she told Italian news service AGI. Her spokesperson later confirmed the comments to CNN.
"These mega rock concerts put it at risk, including the Palatine Hill nearby," she said.
"Rock concerts should be held in stadiums so as not to endanger public safety."
The Circus Maximus, situated at the bottom of the Palatine Hill near the Colosseum, has become a popular concert venue in recent years. This summer it has played host to Imagine Dragons, Guns N' Roses and Bruce Springsteen.
Scott's' "Utopia" concert was only announced on August 1, after his concert at the pyramids of Giza in Egypt, scheduled for July 28, was canceled due to "complex production issues." The 70,000 tickets sold out within hours.
At least 60 people needed medical attention after someone sprayed pepper spray into the concert crowd on Monday, according to Rome's civil protection department. And a 14-year-old who scaled a false wall to see the concert for free was injured after falling four meters (13 feet), the department added.
"Utopia" is Scott's first full-length album after his ill-fated 2021 Astroworld Festival in Houston, where a crowd crush left 10 people dead and injured hundreds.
CNN has approached representatives of Scott for comment.
