Disciplinary proceedings against the former heads of the Singapore Civil Defence Force (SCDF) and Central Narcotics Bureau will remain suspended until the final outcome of separate criminal proceedings in court against them, said the Ministry of Home Affairs on Friday night.

The two separate statements come after former SCDF chief Peter Lim Sin Pang was, earlier in the day, found guilty of corruptly obtaining oral sex from Ms Angie Pang Chor Mui, in exchange for furthering the business interests of her then employer Nimrod Engineering.

The court's grounds of decision on Mr Ng Boon Gay's acquittal was also released on the same day. This, after the former top cop was acquitted of corruption in February.

Lim, has not made a decision on whether he will appeal against the guilty verdict but the prosecution now has until June 11 to file an appeal against Mr Ng's acquittal in a separate sex-for-contracts case.

The ministry had commenced civil service disciplinary proceedings against both Lim and Mr Ng in late January last year on charges of serious personal misconduct. But the proceedings were suspended following the corruption charges brought against them, the statements added. Both men were interdicted, or suspended from duty without pay, pending the outcome of these proceedings.

The ministry added that it expects its officers, regardless of position or seniority, to uphold the highest standards of duty and integrity at all times.