https://www.alojapan.com/1284220/buried-gas-cylinder-may-be-cause-of-explosion-at-tokyo-building-site/ Buried gas cylinder may be cause of explosion at Tokyo building site #asia #biz #Japan #JapanBroadcastingCorporation #news #nhk #NhkWorld #NHKWORLDPREMIUM #NhkWorldTv #NHKWorld #Nuclear #PublicBroadcaster #RadioJapan #tech #Tokyo #TokyoNews #world #東京 #東京都 An explosion in Tokyo’s Edogawa Ward has left 10 people injured and damaged nearly 40 buildings. Investigators suspect a buried gas cylinder may have been the cause. The Tokyo Fire Departme…