LAGOS, July 8 (Reuters) - An explosion at the Gbetiokun oil
field in southern Nigeria's Niger Delta region during the
installation of a ladder on a platform killed seven people, the
state oil company said on Wednesday.
"Detailed investigation of the cause of the explosion has
commenced, while the Department of Petroleum Resources has been
duly notified," the Nigerian National Petroleum Corporation said
in a statement about the incident, which happened on Tuesday. It
said "all personnel on board the platform" had been accounted
for.
(Writing by Alexis Akwagyiram;
Editing by Alison Williams)