United Kingdom leaders, celebrities react to deadly incident at Ariana Grande Concert in Manchester

Leaders and celebrities in the United Kingdom are reacting to news of a deadly incident at an Ariana Grande concert in Manchester.

As of Monday evening, 19 people were dead, according to Greater Manchester Police officials.

Labour Party Leader Jeremy Corbyn

Liberal Democrat Leader Tim Farron

Manchester City Council

Ariana Grande

Scooter Braun, Ariana Grande's manager

Republic Records, Ariana Grande's record label

Niall Horan, former One Direction member

Harry Styles, former One Direction Member

Katy Perry

Toni Braxton