Senator, Dino Melaye Kogi West Senatorial District has been arrested.
The politician confirmed the arrest via his Twitter handle on Monday.
He said that he was picked up at the Nnamdi Azikiwe International Airport in Abuja while on his way to Morocco.
The security agencies has not made public the reasons for his arrest.
However, the Nigerian Immigration Service, NIS, has explained why the Senator was arrested.
Spokesman of the Service, Mr Sunday James told the News Agency of Nigeria that Melaye was arrested by Immigration officials “based on instructions”.
The confirmation came hours after the senator announced the arrest on his Twitter handle at 7:32 a.m. “I have just been arrested at the international wing of the Nnamdi Azikiwe International Airport on my way to Morocco for an official engagement sponsored by the Federal Government after checking in,” he tweeted.
The police recently declared Melaye wanted after he was accused of supplying arms to some murder suspects, who allegedly implicated him. The senator denies the allegations, which he describes as politically motivated.