Nepal, June 26 -- As temperatures soar to deadly levels across the globe, countries of the Gulf Cooperation Council (GCC) are exposing migrant workers to another deadly summer without adequate occupational health and safety protections, Human Rights Watch said this week.

The human rights watchdog spoke to 20 migrant workers from Bangladesh, Nepal, and Pakistan working in construction and app-based bike delivery in Kuwait, Qatar, Saudi Arabia, and the UAE between February and May this year about heat and occupational health and safety issues.

Several Gulf nations enforce midday work bans restricting outdoor work between late morning and mid-afternoon from June through August or September-the sole heat exposure protection measure offered...