Who prosecutes election-related criminal offences?

Constitution of Sierra Leone (1991) as amended by the Constitution of Sierra Leone (Amendment) Act 2008

http://aceproject.org/ero-en/regions/africa/SL/sierra-leone-the-constitution-of-sierra-leone-1/at_download/file

Art 66(4): (4) Subject to subsection (3) of section 64, the Director of Public Prosecutions shall have power in any case in which he considers is desirable so to do — to institute and undertake criminal proceedings against any person before any court in respect of any offences against the laws of Sierra Leone.

Art 64(3): All offences prosecuted in the name of the Republic of Sierra Leone except offences involving corruption under the Anti-Corruption Act, 2000, shall be at the suit of the Attorney-General and Minister of Justice or some other person authorized by him in accordance with any law governing the same.