A group of people gathered at a memorial for victims of the Brussels attacks performed an impromptu version of John Lennon's "Imagine."
Crowd in central #Brussels sings impromptu rendition of Imagine in show of solidarity last night via @Tom_PughPA https://t.co/HDrFjyeFA6
The crowd had gathered in Brussels' Place de la Bourse to pay their respects. A small group formed a circle and sang to a quiet backing track.
LIVE op #Periscope: Imagine all the people #Brussels https://t.co/ijTTWUSosr
Earlier in the day people had covered the square in chalk graffiti, sending messages of peace to the world.
The bell tower at the University of Leuven's library also played the song.
Hope must survive. That’s why the University Library carillon played John Lennon’s Imagine tonight. #Brussels
At least 30 people are said to have been killed in a series of explosions in Belgium's capital. ISIS has claimed responsibility for the attacks.
