Marina Yusoff, vice president of Keadilan, the party led by An-war's wife, Wan Azizah Wan Ismail.

CNN: No More Mr. Nice Guy

Challenger Anwar Ibrahim leads a coalition of three opposition parties: his Parti Keadilan Rakyat, and the Islamist Parti Agama SeMalaysia and the Democratic Action Party.

BBC: Malaysian PM Najib Razak paves way for general election

Agence France-Presse reported that Chandra Muzaffar of Parti Keadilan, the party founded by jailed former deputy PM Anwar Ibrahim, accused Mahathir of the "dirtiest ever" election campaign.

CNN: ASIANOW - Asiaweek | Daily Briefing: Not I