Stars express their compassion after explosion

A number of artists expressed their sympathy on Monday after the explosion at Ariana Grande's concert on social media.

Actress Alyssa Milano wrote, 'My thoughts are with you, Manchester' and Katy Perry, 'I pray for everyone at @ ArianaGrande's show.' Demi Lovato also sent a message via Twitter. 'In tears when I think of innocent concert goers who lost their lives. I pray for everyone and all #ariators. '

Presentant Ryan Seacrest: 'Reports by the news coming from the UK. My thoughts are with the fans and families at Ariana's show in Manchester. Horrible. 'Cher wrote,' My prayers go to the people in Manchester, and I have experienced special times in my youth and beyond. '

Duran Duran's band members also shared their sympathy. 'We think of all our friends and fans in Manchester. 'Dwayne 'The Rock' Johnson twittered:' Our prayers and strength for the victims and families involved in the tragedy in Manchester. Stay strong. '

Ariana Grande, who remained unharmed, has not responded through her Instagram account, which has more than 105 million followers.

Actress Alyssa Milano wrote, 'My thoughts are with you, Manchester' and Katy Perry, 'I pray for everyone at @ ArianaGrande's show.' Demi Lovato also sent a message via Twitter. 'In tears when I think of innocent concert goers who lost their lives. I pray for everyone and all #ariators. '

Presentant Ryan Seacrest: 'Reports by the news coming from the UK. My thoughts are with the fans and families at Ariana's show in Manchester. Horrible. 'Cher wrote,' My prayers go to the people in Manchester, and I have experienced special times in my youth and beyond. '

Duran Duran's band members also shared their sympathy. 'We think of all our friends and fans in Manchester. 'Dwayne 'The Rock' Johnson twittered:' Our prayers and strength for the victims and families involved in the tragedy in Manchester. Stay strong. '

Ariana Grande, who remained unharmed, has not responded through her Instagram account, which has more than 105 million followers.