Former Vice President and African Democratic Congress (ADC) presidential candidate, Atiku Abubakar, has accused the ruling All Progressives Congress (APC)-led government of using state institutions to intimidate opposition figures while shielding defectors from prosecution.

• Amaechi promises to accept result if exercise is transparent

The candidates in the ADC direct primaries are Atiku, former Transportation Minister Rotimi Amaechi and economist Mohammed Hayatu-Deen.