Nigeria, Oct. 21 -- Residents of Abia State, Nigeria's South-east, Monday, joined the protest against continued detention of Nnamdi Kanu, leader of the outlawed Indigenous People of Biafra (IPOB).

Spearheaded by a human rights activist and Sahara Reporters publisher, Omoyele Sowore, the protest was held across parts of Abuja, Nigeria's capital.

Security operatives reportedly fired tear gas and gunshots at some protesters on Monday in Abuja.

In Abia State, several residents marched around major areas and roads in Umuahia, the state capital on Monday.

The protesters were seen in video clips chanting Mr Kanu's names and demanding his release from detention.

In some of the clips, most of the protesters marched on foot while a few of them...