The victims included company employees and one civil servant, an official at the well site in the city of Diffa, Niger said.
In a statement, the company mentioned the loss of seven employees, while the eighth victim was an official from the Ministry of Hydraulics. Five other people in the building, according to Foraco company, were hurt; two were seriously.
According to a security source, the gunmen were believed to belong to Boko Haram, a terrorist group with ties to Daesh*.
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