BP said the company does not comment on personnel matters or on its WeChat usage policy. BP trading staff, including some of those terminated this week, were named in a court document filed by Malaysian lender CIMB as part of the bank's request to the Singapore High Court to place Hontop Energy under judicial management. The bank claimed it had agreed to provide financing to Hontop to purchase oil that would be sold on to BP, and Hontop provided the names of specific traders at BP as proof of the contract. When CIMB sought payment from BP in February, the oil major told the bank that the contract and payment had been subject to a separate agreement between BP and Hontop. Since it had not received payment from Hontop, it was not obliged to pay Hontop or CIMB for the cargo, the affidavit said. BP has not been implicated in any wrongdoing in the court proceedings.