TOKYO (AP) — The former chief executive of Japanese beverage giant Suntory acknowledged he was investigated on suspicion of possessing an illegal drug but asserted his innocence despite resigning from his position.

“I have not broken the law. I believe I am innocent,” Takeshi Niinami told reporters Wednesday.

Suntory Holdings President Nobuhiro Torii, a member of the company’s founding family, held a news conference Tuesday to announce Niinami had resigned . Torii declined to give many details, saying the case was still under investigation. Police in Fukuoka, southwestern Japan, confirmed Niinami was being investigated in a possible drug case without giving further details.

Niinami said Wednesday the case involved a health supplement he called “a CBD supplement” that was made in the U

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