Artists and celebrities took to social media to express their horror and heartbreak after 22 people died and dozens more were injured at an Ariana Grande concert Monday in Manchester, England, in what officials have described as a possible terrorist incident.
A few hours after the explosion, Ariana Grande tweeted that she was "broken. From the bottom of my heart, I am so so sorry. don't have words."
"We mourn the lives of children and loved ones taken by this cowardly act," Grande's manager, Scooter Braun, said in a statement.
"I don't wanna believe that the world we live in could be so cruel," Bruno Mars wrote on Twitter.
Liam Gallagher, from the band Oasis, said that he was in total shock by the events in Manchester.
"I'm heartbroken over what happened in Manchester tonight," British pop star Harry Styles, a former member of One Direction, said.
"My heart hurts for my sister, Ariana & every family affected by this tragic event in the U.K. Innocent lives lost," said Nicki Minaj.
Kim Kardashian tweeted that concerts should be a place to "let loose & have fun."
"Tearing up imagining innocent concert goers losing their lives," wrote Demi Lovato.
"Every musician feels sick & responsible tonight—shows should be safe for you. truly a worst nightmare," wrote Lorde.
John Legend expressed heartbreak over the "awful attack."
His wife, Chrissy Teigen, wrote simply: "There are no words. This world."
"Thinking about my @arianagrande and the U.K. In this moment ! Praying for u all!! Lord help," Jennifer Hudson posted on Instagram, with a photo of her and Grande.
A host of other artists and celebrities, including Taylor Swift, Halsey, and Katy Perry, tweeted that they were praying for people — mostly young girls — who attended the concert.
Many artists expressed shock and disbelief.
Miley Cyrus said: "Wishing I could give my friend @arianagrande a great big hug right now... love love love you .... so sorry you had to be apart of such a tragic event! my most sincere condolences to anyone and everyone affected by this horrific attack!"
Ellen DeGeneres tweeted: "The story is so sad and so scary. Sending all my love to Manchester."
Many celebrities shared their thoughts.
Kim Kardashian took to Twitter as soon as she was awake, calling the incident "senseless" and "heartbreaking."
And said her thoughts were with the parents of the victims.
David Beckham shared this image on Instagram.
And Victoria Beckham posted this.
James Corden also made a heartfelt tribute to the people in Manchester in a short video.