17 die in Turkish fireworks building blast the authorities told DailyNews Reporter John Mathew that a blast occur in a building in an industrial neighborhood of Istanbul on Thursday, in which 17 people killed. The authorities believed that the fireworks stored in the building caused the blast. The explosion took place at 9:45 a.m. on the 3rd floor of a four story building in Davutpasa, Muammer Guler the district governor of Istanbul said that there had been a fire at the building before the blast Guler said at least 68 people were injured, & four people are in critically situation-DailyNews Report.