Hundreds of migrant workers in Qatar , including those building facilities for the 2010 World Cup , have died from heat stroke after working in 45C heat for up to 10 hours each day . Authorities have said the workers are being protected by an 11.30am-3pm work ban , yet research published by the Medical Journal has said the hundreds of deaths of workers aged 25 - 35 were most likely caused by heatstroke . According to the WBGT analysis, between 9am and 12 noon outdoor work should be stopped entirely. The construction boom has led to the migrant population of Doha rising to almost two million . Nick Carter of rights organisation Fair / Square Projects called for an urgent investigation into the deaths .
Hundreds of migrant workers in Qatar , including those building facilities for the 2010 World Cup , have died from heat stroke after working in 45C heat for up to 10 hours each day . Authorities have said the workers are being protected by an 11.30am-3pm work ban , yet research published by the Medical Journal has said the hundreds of deaths of workers aged 25 - 35 were most likely caused by heatstroke . The construction boom has led to the migrant population of Doha rising to almost two million . Nick Carter of rights organisation Fair / Square Projects called for an urgent investigation into the deaths .