Between June 4th and August 8th 2013, 44 workers died on the sites of construction of the buildings of the Football World Cup of 2022 in Qatar. Treated as slaves, the workers on these construction sites result all of the immigration and die, over there, from cardiac insufficiency (although the deaths are mainly of young men).
Revealed: Qatar's World Cup 'slaves'
Dozens of Nepalese migrant labourers have died in Qatar in recent weeks and thousands more are enduring appalling labour abuses, a Guardian investigation has found, raising serious questions about ...
http://www.theguardian.com/world/2013/sep/25/revealed-qatars-world-cup-slaves