Nigeria, Feb. 11 -- The National Transportation Safety Board (NTSB) has provided further details on the fatal helicopter crash that led to the death of the Group Chief Executive Officer of Access Holdings Plc, Herbert Wigwe, his wife, son and other crew members onboard.

The details were provided by a board member with the NTSB, Michael Graham, alongside the investigator in charge of the incident, Aaron Sours, at a press briefing on Saturday evening in Barstow, California.

Mr Graham confirmed that the two crew members and four passengers on board the aircraft were fatally injured and that there was a report of a fire outbreak when the helicopter crashed.

"As far as we know, from what was reported from witnesses that there was fire when ...