With the situation worsening, those who have passed away will not be able to rest in peace.
ご質問ありがとうございます。
① "Those people who have died cannot rest in peace."＝「死んだ人たちは浮かばれない。」
② "With the situation worsening,"＝「事態が悪化する中で」
"those who have passed away"＝「亡くなられた人々は」
"will not be able to rest in peace."＝「浮かばれない。」
ご参考に。
アメリカ合衆国 
