Twenty-seven members of the Rivers House of Assembly have dumped the Peoples Democratic Party in the state for the All Progressives Congress.
PDP is the ruling party in the state.
The lawmakers cited division within the PDP as the primary reason for their defection to the APC.
The affected lawmakers are said to be the ones loyal to the Minister of the Federal Capital Territory, Nyesom Wike.
The lawmakers, it was gathered held plenary around 8am on Monday where the decision was taken.
The lawmakers sat under tight security mounted at the entrance of the Assembly complex along Moscow Road in Port Harcourt.