Atiku, Bindow and two others allegedly protested Ribadu's return to the National Chairman of the party, John Odigie-Oyegun.
Ribadu was the Adamawa state Peoples Democratic Party (PDP) governorship candidate in the 2015 elections.
He said “Thank God I am back, I feel happy to be back; I want to thank the party for the confidence reposed in us.
“The party requested us to return and we are back to work for Adamawa and Nigeria as a whole.”
Reports also said Atiku, Bindow and two others had protested Ribadu's return to the National Chairman of the party, John Odigie-Oyegun.
Speaking on Ribadu’s return, the Adamawa state Chairman of APC, Ibrahim Bilal, said “This party is built with you, we called on you to return and you responded positively by going to your wards to register, visited your local government office and now you are in the state party office.
“You are special to us and you came at the right time when we needed your support for the coming Saturday local government election in Adamawa.
“I have briefed the governor Jibrilla of your coming and he is happy about it.”
Nuhu Ribadu was the pioneer Executive Chairman of the Economic and Financial Crimes Commission (EFCC).
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