Hundreds of pilgrims died at the annual Hajj gathering in Saudi Arabia amid searing heat that the kingdom said was its biggest challenge this year.
Seven countries have separately announced a total of over 470 deaths during the five-day pilgrimage that ended June 18.
The final number is likely to be higher as many nations haven’t yet reported their fatalities while unregistered pilgrims would also add to the toll.
Wire agencies reported that more than 1,000 have lost their lives as the temperature pushed 51.8C (125F) in Mecca this week.
At least 14 Malaysians, 165 Indonesians, 75 Jordanians, 35 Pakistanis, 49 Tunisians, 11 Iranians and 98 Indians have died, according to authorities in each country.
A further 27 Jordanians are hospitalized and around 14 are still missing, the Jordanian Foreign Ministry said.
The death tolls are expected to rise much further, as Saudi Arabia and Egypt have yet to release official figures.
Additionally, the governments are only aware of pilgrims who have registered and traveled to Mecca as part of their country’s quota – more deaths are feared among unregistered pilgrims.
The pilgrims made this year’s journey in dangerously high temperatures of up to 49 degrees Celsius (120 degrees Fahrenheit).
The Saudi Ministry of Health implemented safety measures including cooling stations along the official route, and urged pilgrims to use umbrellas and stay hydrated.
This year’s event was overshadowed by tragedy, raising questions over whether more could have been done to ensure people’s safety.
It also highlights the dangers posed for the many unregistered worshipers who want to fulfil their religious duty despite not obtaining a Hajj permit, and who don’t have access to the official facilities.