AMSTERDAM (Reuters) – Dutch mail and packages firm PostNL said on Tuesday two of its nine hubs in Belgium remained closed following police raids, as part of an ongoing investigation into labour practices. PostNL disclosed in its 2021 annual report that the Belgian labour inspectorate had found the company in breach of employment regulations — including allegedly treating deliverers as freelancers — and local authorities would press charges. PostNL denies wrongdoing. Two hubs were raided by police on Monday and remained shut on Tuesday, PostNL spokesperson Jochem van de Laarschot said. “Becau…