• Harry Styles was set to perform at the Copenhagen Royal Arena Sunday night
  • Three people were dead and several others critically injured in the mass shooting
  • A 22-year-old suspect carrying a rifle and ammunition was arrested by the police

Harry Styles has canceled his Sunday show in Denmark following a deadly shooting at a shopping center near his concert venue in Copenhagen. The singer also took to Twitter to express his sympathy for the victims and their families, saying he was “devastated” by the incident.

“I’m heartbroken along with the people of Copenhagen,” he wrote on Twitter. “I adore this city. The people are so warm and full of love. I’m devastated for the victims, their families, and everyone hurting. I’m sorry we couldn’t be together. Please look after each other.”

Styles was set to hit the stage at Copenhagen’s Royal Arena in the Danish capital Sunday night as part of the European leg of “Love on Tour.” It remains unclear if he reschedules the show following its cancellation.

Hours before his gig, a 22-year-old gunman opened fire at Field’s shopping mall near the Royal Arena, leaving at least three people dead and several others critically injured. Police inspector Soren Thomassen revealed on social media that the gunman was already in custody and that an investigation of the shooting incident was underway.

“More than one person is confirmed dead, and several people are injured. If you are in Copenhagen, contact your relatives and let them know that you are ok,” the police said in a statement, adding that they are looking for witnesses, pictures and videos that could aid in their probe.

Thomassen also noted that terrorism could not yet be ruled out in the investigation. “We do not have information that others are involved,” he said. “This is what we know now.”

After Styles canceled his concert, the Danish royal palace called off a reception with Crown Prince Frederik related to the Tour de France. Denmark hosted the first three stages of the annual multiple-stage bicycle race this year, with the reception being held on the royal yacht in Soenderborg.

Meanwhile, other artists set to perform at the Copenhagen Royal Arena in the coming weeks are Pearl Jam, Queen, and Adam Lambert. The artists have yet to announce whether their shows will push through following Sunday’s shooting incident.

Harry Styles turns 28
Harry Styles turns 28 GQ magazine