About 200 polio workers and officers have been killed since 2012 when the first attacks were launched.
Mr Idowu said Amotekun operatives, along with the Vigilante Group of Nigeria, responded to distress calls by farmers in Papa village after attacks on their farmlands.
Amnesty said the Nigerian government’s response to the violence has been largely ineffective.
The police said operatives are working with local vigilantes and hunters to rescue the kidnapped victims and apprehend the attackers.
Ms Anene said that the bus was attacked on April 3, around Otukpo Burnt Bricks area.
A spokesman for the police command in Ebonyi, Joshua Ukandu, confirmed the incident on Friday in Abakaliki.
Ms Ramnap reiterated the state government’s commitment to the security of lives and property of all citizens of the state.
His abduction was confirmed in a statement by the Owerri Catholic Archdiocesan chancellor and secretary, Patrick Mbarah, on Monday.
Mr Omodara assured families of the abducted passengers that their loved ones would be released unhurt.
The police command in Ogun has confirmed the fatal shooting of a 24-year-old man, Saheed Jinadu, by gunmen at Osuke Village in the Ota area.
