Singapore Post said on Sunday it had dismissed its chief executive and two other senior managers after an internal investigation found they had mishandled whistleblower allegations about misconduct by company employees.

Singapore Post has fired its group chief executive and two other senior leaders after finding them negligent in the handling of a whistleblower report related to the company’s international business operations.

In a statement released on Sunday, the Temasek Holdings-backed company revealed that investigations were launched after receiving a whistleblower report.

Singapore Post on Sunday said it had dismissed its chief executive and other senior managers following an investigation into allegations around its international e-commerce parcels business. The firm,