The men were travelling in what is believed to have been a workboat in Bayelsa State when they came under fire some time on Wednesday.

A spokesman for Eni told Upstream that the team from local subsidiary Agip was on its way to a well location to carry out a routine operation in the Nembe area when it was attacked.

“Three members of the team managed to escape, reaching the near flow station, while another two were missing.

“Two