Enough cyanide to kill up to 250 people missing from Osaka Metro Univ. lab
Osaka Metropolitan University's Sugimoto Campus is seen in Osaka's Sumiyoshi Ward in this July 2, 2021, file photo. (Mainichi/Shotaro Ono) OSAKA -- Enough potassium cyanide and sodium cyanide to kill some 160 to 250 people has gone missing from …