An estimated 100,000 people were gathered at a holy site when the overcrowding triggered a stampede.
About 10,000 Afghans gathered to acquire documents to enter Pakistan following an end to visa policies in place due to coronavirus.
At least 17 people were killed and 59 injured as a crowd of hundreds stormed the stadium gates.
Tehran has criticized Saudi Arabia for its mismanagement of the tragedy, the worst during the pilgrimage in 25 years.
Unwilling to tolerate even a symbolic invasion of public space, the city's officers quickly moved to apprehend male models who were distributing packaged salad to pedestrians.
No horses were murdered at this event, and everyone still had a good time.
The deaths included 22 women and a child, while another 30 of those present were injured and rushed to a hospital in Mymensingh, according to police.
A rumor about a collapsing bridge caused a stampede at an event that draws nearly a million Hindus each year to a holy site on the banks of the Brahmaputra River.
Authorities are investigating the incident, which early reports incorrectly suggested was triggered by a rush to collect coupons resembling cash that were thrown from a riverfront building.