A gas cylinder found from a construction site in eastern Tokyo after explosions that left 10 people injured and damaged dozens of buildings nearby had a marking showing it expired on November 1964, an investigative source said Thursday.The explosions occurred on Tuesday during piling work for a new house at the site in Edogawa Ward, which had been a parking space for some 40 years. Police believe workers drilled into the cylinder, and its acetylene gas, used for welding metals, caught on fire.The cylinder was found with a hole measuring about 6 centimeters in diameter and was entirely rust-…READ FULL ARTICLE
