In this task, you are given a sentence in the Japanese language and your task is to convert it into the English language. In translation, keep numbers as it is and make it sentence case (capitalize only the first word of each sentence and noun).

リトビネンコ氏はロシアの大統領ウラジミール・プーチン氏の強い批判者で、彼が11月下旬に放射性物質による毒殺でロンドンで死亡する直前、リトビネンコ氏はプーチン氏が彼の殺害を命じたと糾弾していた。
Litvinenko was a strong critic of Russian President Vladimir Putin and shortly before he died in London from radiation poisoning in late November, Litvinenko accused Putin of ordering his assassination.

オーナーのQ氏は爆発で死亡した。
The owner himself, Mr. Qu, was killed in the blast.

5年後、スコットランドの上席判事(seniorjudge)はこの件を再審する予定だったが控訴を棄却した。

Five years later, senior judges in Scotland were to review his case, but he dropped the appeal.