21.   They included managers of the mall where the disco was located and construction workers accused of igniting the blaze in a welding accident.

22.   Welding sparks were believed to have ignited the blaze, police said.

23.   Workers said the fire started early Wednesday after plastic boxes placed near a huge lamp melted and then ignited the blaze.

24.   Police hurled grenades, igniting a blaze when they stormed the tiny house located in the Alma district of an area with a heavy immigrant population.