ALBAWABA- Three people were killed and 17 others injured when a helium cylinder exploded inside a shopping mall in New Cairo on Thursday evening, Egypt’s Ministries of Health and Interior reported. The blast occurred at Arabella Plaza Mall on Gamal Abdel Nasser Street in New Cairo’s Third District. Preliminary investigations indicated that a helium cylinder inside a ground-floor gift shop exploded, triggering a small fire that spread to a neighboring ...