The first gas had been expected to flow through the 678 km (420 mile) pipeline, built to transport natural gas from Nigeria's Niger Delta to Benin, Togo and Ghana, in April, following an earlier postponement from December.
"We had a serious setback, in many ways, when one of our contractors was shot and killed in Nigeria by armed robbers," Derickson said, without giving further details, reported Reuters.
The $620 million project will produce first deliveries to the Takoradi thermal facility in Ghana until May.
"There
