In pictures: S Korea train fire aftermath

As the identification of victims in Tuesday's arson attack on a South Korean subway begins, angry relatives have been demanding why so many people died.

One hundred and twenty-four people died, but many others have been reported missing

Relatives of the victims struggled to vent their anger as the South Korean prime minister visited

In the subway station where the fire broke out a clean-up operation is under way

Soot on the station floor shows the marks of hands and nails as victims struggled to escape

Questions are being asked about the station's safety

Many of the victims suffocated from noxious fumes - photographed here by a survivor on another train

Families of victims waited to see the wreckage

Many were overcome by what they saw