LONDON (WWJ) – A former University of Michigan student died during a banking internship in London.

A British newspaper reports that 21-year-old Moritz Erhardt suffered from epilepsy and collapsed in the shower after reportedly working 72 hours straight at Bank of America Merrill Lynch.

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Multiple news organizations, including CNBC and the Daily Mail, had reported that Erhardt was a student at the U-M’s Stephen M. Ross School of Business. It was later reported that he had completed his U-M studies and was currently enrolled at the WHU Otto Beisheim School of Management.

An anonymous banking official told the Daily Mail that such interns often work 100 or more hours a week.

On an industry website several commenters have claimed that Erhardt regularly worked long hours.

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“One of the best interns at BAML — three all-nighters, didn’t turn up, colleagues went to find him,” one post reads.

“It is absolutely true — he was found dead in the shower by his flatmate. Intern at BAML who went home at 6 a.m. three days in a row,” added another commenter.

Bank of America Merrill Lynch said, in a statement, “We are deeply shocked and saddened by the news of Moritz Erhardt’s death … He was popular amongst his peers and was a highly diligent intern at our company with a promising future.

“Our first thoughts are with his family and we send our condolences to them at this difficult time,” the statement continued.

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An investigation is underway. However, according to a statement by the Metropolitan Police in London cited by Bloomberg News, Erhardt’s death is not is being treated as suspicious,