More than 315 people have died in fires in Bangladesh garment factories since 2006. The country has about 4,000 garment factories and earns about $20 billion a year from garment exports, mainly to the United States and Europe. Some recent deadly garment factory fires:

— At least 112 people die in a fire Saturday at an eight-story factory outside Dhaka. Authorities and survivors say the building lacked emergency exits and other safety measures were not taken.

— A fire in December 2010 at a 10-story factory in Ashulia kills 29 workers.

— In February 2010, a fire engulfs a sweater factory in Gazipur, killing at least 28.

— In 2006, a fire at a factory in Narayanganj kills 23.

— Another fire in 2006 kills 63 workers at a factory in southeastern Chittagong city.

— More than 60 workers have died in a number of smaller fires over the past six years.

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Sources: Local media, Bangladesh Garment Manufacturers Association.