[TOKYO, Japan (CNN) a string of suicides involving detergent]
involving-involve:～を必要とする～の使用によって生じる、～と関わる
detergent-洗剤

[ According to local media reports,
more than 60 people have committed suicide across Japan
in the last month by mixing detergent and other chemicals,
and inhaling the hydrogen sulfide gas that results.]