Since the high-profile execution of nine Ogoni leaders in 1995, including the playwright-politician Ken Saro-Wiwa, the world's attention has been riveted on this tiny enclave, now seen as a litmus test for Abuja's ability to resolve the crisis in the Niger Delta.

Often mistakenly perceived as a sub-group of the ethnic Ijaw, whose creek-dwelling populations range across the six core oil-producing states, the Ogoni have a unique language and identity.

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