A họpụtara Emmanuel W Tupele-Ebi Diffa dìka sịnetọ maka mpaghara nke ọdịda anyanwụ Bayelsa nke Bayelsa Steeti, Naijiria na mbido Mba Naijiria nke anọ, mee ntuli aka na-okpuru Alliance for Democracy (AD). Ọ batara ụlọ ọrụ n'ụbọchị iri abụọ na itoolu nke ọnwa Mee afọ 1999. Dịka o were oche n'ebe omebe iwu n'ọnwa Juun nke afọ 1999, a họpụtara ya na kọmitii nke na-ahụ maka Mmanụ ala, gburugburu ebe obibi, Niger Delta na mmepe mmekọrịta mmadụ na ibe ya na egwuregwu. A họpụtara ya dịka onye osote ụtarị maka otu ndọrọ ndọrọ ọchịchị AD na ebe omebe iwu. N'ọnwa Disemba afọ 2002 enwere asịrị na Diffa na-eme atụmatụ ịchọọ ntuli aka n'okpuru otu ndọrọ ndọrọ ọchịchị People's Democratic Party (PDP), na-ebughị ụzọ hapụ AD. FEDERAL REPUBLIC OF NIGERIA LEGISLATIVE ELECTION OF 20 FEBRUARY AND 7 MARCH 1999. Psephos. Retrieved on 2010-06-23. Congressional Committees. Nigeria Congress. Archived from the original on 2009-11-18. Retrieved on 2010-06-23. Chuks Akunna (2002-12-16). AD Whip's Re-election Bid Rocks Bayelsa PDP. ThisDay. Retrieved on 2010-06-23.