As the clock strikes 11 Belgians observe a minute's silence to remember 28 people, 22 of whom were children, who died in a bus crash in Switzerland.<br/> <br />Some of those killed were from Lommel where residents shed tears as they remember those lost in the accident.<br/> <br />And in the town of Heverlee these young children fall silent as they mourn their fellow pupils.<br/> <br />As the minute ends white balloons with messages and drawings attached are released into the sky.<br/> <br />Lily Grimes, Reuters
