I'll just leave this right here...

The eight-story building lacked emergency exits. When the fire broke out, workers reportedly tried to flee but found themselves trapped by locked gates.
Bangladesh factory fire was act of sabotage, committee finds - latimes.com

"The workers were trapped or just had to jump from the upper floors. Still the casualties would have been much less had the supervisors allowed the workers to leave the factory when the fire broke out."
Bangladesh factory fire was 'sabotage' - Central & South Asia - Al Jazeera English

[The managers] told them "it was for a mock fire drill"
Panel calls Bangladesh factory fire sabotage, says owner should be tried - CNN.com