Governor Lucky Aiyedatiwa said no one survived the helicopter crash that claimed lives on Monday.
The police added that the suspects had previously been linked to a politically motivated murder in the same area before disappearing.
Police said the teenager was struck on the head with a cricket bat on Saturday during an altercation with her younger siblings at their home.
Mr Adegbuyi said the suspects were arrested on Monday at Ajambata, along Sokoto Road, Atan-Ota.
The CP stated that such acts were criminal and tantamount to murder, under the law.
The INEC chairman said Ekiti State has 1,055,708 registered voters, while Bayelsa State has 1,200,691.
The police command in Anambra has arrested 13 suspects in separate operations and recovered firearms, ammunition, charms, and cult-related insignias.
The Nigerian Air Force has confirmed and named officers, including passengers, who died on board an ATR 42 aircraft, NAF 931, which crashed in the Igbokoda area of Ondo.
Ikeja Electric says it attributed reduced electricity supply across its network to a shortfall in the power allocated to it from the national grid.
The police command in Kwara has recovered two AK-47 rifles, three magazines and 42 rounds of live ammunition from a suspected gun-runner along the Alapa-Okolowo axis of Ilorin.
