Bangladesh factory collapse: 'It was worse than a grave'

A 14-year-old girl who survived the deadly collapse of a factory building near Dhaka has described her ordeal.

Halima Akhtar worked as a sewing operator at New Wave Fashions on the sixth floor of Rana plaza. Her sister Hamida, who worked with her, is still missing - presumed dead.

At least 427 are now known to have die in the incident and 2,500 injured. More than 140 workers are still unaccounted for.