Heavy snow causes part of the roof at Schalke 's Veltins Arena to collapse . A yearly biathlon , the World Team Challenge , scheduled for this week has been cancelled . ` The safety of the spectators is the utmost priority . '' The German city of Gelsenkirchen is bracing itself for a repeat of last year's blizzard, which left more than 100 people dead and caused billions in damage.
Heavy snow causes part of the roof at Schalke 's Veltins Arena to collapse . A yearly biathlon , the World Team Challenge , scheduled for this week has been cancelled . The German city of Gelsenkirchen is bracing itself for a repeat of last year's blizzard, which left more than 100 people dead and caused billions in damage.