sentences:  On 25 October 2007, the Supreme Court annulled Omehia's election, ruling that Chibuike Amaechi, not Omehia, was the PDP's legitimate candidate.Amaechi had won the PDP primaries, but the party had substituted Omehia at the last moment due to allegations of graft.In October 2009, Omehia asked the supreme court to review their opinion.