Nigeria's military has said it has made its first arrest as a result of publishing a list of the 100 "most wanted" Boko Haram suspects.
Army spokesman Colonel Sani Usman said in an emailed statement late on Sunday that one man whose photograph featured on the poster was spotted and held at Abuja airport.
"Chindo Bello was apprehended by aviation security as he was boarding (an) Aero Contractors' flight to Lagos," he said.
No further details were given about Bello or when he was held but Usman said security agents were tipped off and the arrest was made "as he attempted to flee".
He was handed over to military intelligence for questioning, he added.
The "most wanted" poster, published in English and the local, northeastern languages of Hausa and Kanuri late last month, appeals for public help in tracking down suspected Boko Haram members.
The group's leader Abubakar Shekau features twice in the rows of colour photographs, reflecting the military's belief he is in fact a composite character played by lookalikes.
President Muhammadu Buhari has called for the public's help in providing intelligence to the military, particularly with the Islamists having increased attacks on urban areas.