From the Bristow website
NIGERIA, (February 3, 2016) – Bristow Helicopters (Nigeria) Limited, confirmed today that one of its helicopters, was involved in a water landing near Lagos at about 10.25 a.m. local time on return from an offshore platform. The aircraft, a Sikorsky S-76C++, had departed on a routine crew transfer flight offshore with nine passengers and a crew of two. All persons onboard are accounted for and in the process of being transferred to a nearby installation. The company is in the process of collecting pertinent information and will release more details as soon as it is available.