Pirate activity has risen in Nigeria's oil-producing Niger Delta in recent weeks with fears that the surge could continue until Presidential elections. At least three policemen have been killed and nine contractors kidnapped over the last week, security officials said. In the most recent attack, gunmen on a boat opened fire on police escorting a barge operated by Eni along the Santa Barbara River, killing three policeman.
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机译：最近几周，尼日利亚石油生产尼日尔三角洲的海盗活动有所增加，担心这种增长可能会持续到总统大选。安全官员说，上周至少有三名警察被杀，九名承包商被绑架。在最近的一次袭击中，持枪men徒乘船向警察开火，护送埃尼（Eni）操纵的一艘驳船沿圣巴巴拉河（Santa Barbara River）死亡，炸死三名警察。
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