South Korea plane crash investigators turn to black boxes in search for vital clues

Experts hope flight recorders will provide answers to key questions surrounding crash in which 179 died

As investigators set to work unpicking the cause of Sunday's devastating plane crash in South Korea, the black boxes carried on the aircraft will be of prime importance, with retrieval of data from the cockpit voice recorder under way.

All but two of the 181 people onboard died in the disaster, with the victims aged from three to 78. The Korean airline's chief executive, Kim E-bae, said he wanted to bow my head and apologise", according to a statement on the company's website, adding it was difficult to determine the cause of the accident".