Glass and other debris were scattered across the street Monday after an explosion in Prague. Authorities initially suspected a gas leak. Dozens of people were injured in the Czech capital. Martin Mraz /EPA /LANDOV hide caption toggle caption Martin Mraz /EPA /LANDOV The Two-Way Gas Leak Suspected After Dozens Injured By Blast In Prague April 29, 2013 The explosion in the center of the Czech capital heavily damaged one building and shattered windows in nearby structures. There were fears that at least a few people might be trapped in rubble.