Simon Ekpa has called for a boycott of Nigeria's election, and allegedly incited violence on social media.

Residents of south-eastern Nigeria live in fear as a separatist rebellion has upended daily life.

Nnamdi Kanu was illegally arrested and extradited, a court rules in a major blow to the government.

The BBC investigates a network of Nigerian separatists outside the country urging violence online.

Nnamdi Kanu's Indigenous People of Biafra group is viewed as a terror organisation by authorities.

Armed militias in the two countries are said to be helping each other with weapons and intelligence.

A small Nigerian community claims Jewish ancestry dating hundreds of years but Israel does not recognise them.

Fleeing Nigeria on the brink of civil war in 1966 gave my mother empathy for today's refugees.