Four people died and one was rescued alive after an oxygen shortage occurred while workers were removing support poles inside an underground water tank at Meiktila Education Degree College in Meiktila Township, according to reports. The incident occurred at around 3:15 p.m. on November 1, when workers were removing support poles inside an underground water tank measuring 18 feet long, 18 feet wide and 6.5 feet deep. A lack of oxygen reportedly caused them to lose consciousness, collapse and suffer breathing difficulties.