Militant group in Nigeria's Niger Delta.
1A group calling itself the Niger Delta Avengers has claimed responsibility for several sophisticated attacks.
2A group known as the Niger Delta Avengers has claimed responsibility for the Chevron attack.
3Niger Delta Avengers, the most active group in the region, said in August it would halt hostilities.
4Separately, the Niger Delta Avengers group said it had attacked two crude pipelines operated by Italy's ENI.
5Last week, militants calling themselves the Niger Delta Avengers claimed an attack on a Chevron Platform in the Delta.
6The Niger Delta Avengers bombed the Forcados sub-sea pipeline in 2016, a strike which involved the use of divers.
7Oil militancy has made a comeback in Nigeria with a recent wave of attacks carried out by the Niger Delta Avengers.
8Officials have repeatedly visited the biggest Delta group of Ijaw from which the Niger Delta Avengers, the biggest militant group, recruits.
9A group known as the Niger Delta Avengers claimed responsibility for the attack, and in a statement it said it blew up the platform.
10But some, like the original Niger Delta Avengers and the Movement for the Emancipation of the Niger Delta (MEND), did so to devastating effect.
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