The Toronto Transit Commission says more than 100 of its employees have been dismissed or have resigned over benefits claims irregularities.

Toronto police laid criminal charges in July 2015 against the owner of Healthy Fit, a health care products and service provider that TTC employees frequented.

It is alleged that receipts were provided to employees by Healthy Fit for claim reimbursement where no product or service was obtained, or where receipt amounts were inflated.

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It is also alleged that Healthy Fit and the employee making the claim would then share the money paid out by the TTC's insurer at the time, Manulife Financial.

Investigators are continuing to interview employees who filed benefits claims involving Healthy Fit and the TTC says they will be dismissed if the evidence shows the benefits plan was defrauded.

To date, the TTC says 82 employees have been fired and more than 20 have resigned or retired to avoid firing, and it expects those numbers to grow.