Several members of Prime Minister Ryutaro Hashimoto’s Cabinet and leaders of his Liberal Democratic Party suggested Friday that tighter controls should be imposed on stock trading by Diet members, while others voiced opposition to the idea.

The lawmakers made the remarks one day after Shokei Arai, a Lower House member from the LDP, hanged himself at a Tokyo hotel just hours before he was to be arrested by prosecutors over suspicions that he made illegal profits in securities trading with Nikko Securities Co. Speaking at separate news conferences after the day’s regular Cabinet meeting, Environment Agency chief Hiroshi Oki and Mitsuo Horiuchi, minister of international trade and industry, indicated that Diet members should be prohibited from dealing in stocks.

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