At slightest 31 people have been killed in a bolt during commemorations for a Shia holy day of Ashura in a Iraqi city of Karbala, officials say.
A health method orator pronounced another 100 people were harmed and warned that a genocide fee could rise.
The bolt reportedly occurred when a traveller tripped while hundreds of thousands were behaving a ritual.
Ashura commemorates a martyrdom in conflict of a Imam Hussein, a grandson of a Prophet Muhammad, in 680AD.
Every year, millions of Shia Muslim pilgrims transport to Karbala for Ashura, that falls on a 10th of Muharram, a initial month of a Islamic lunar calendar. It is noted with anguish rituals and passion plays re-enacting Hussein’s martyrdom.
- What is Ashura?
One of a rituals is famous as a “Tuwairij run”, that sees pilgrims run down streets heading to a Imam Hussein Mosque in decoration of a run from a ancient encampment of Tuwairij to Karbala that was undertaken during a 7th Century conflict by a cousins of Hussein’s half-brother Abbas.
A orator for Karbala province’s media bureau told a BBC that as hundreds of thousands of people undertook a Tuwairij run one chairman stumbled and fell over, causing others to tumble and triggering a lethal stampede.
However, confidence officials told a Associated Press that a bolt began when a corridor collapsed.
In 2004, some-more than 140 people were killed in a array of near-simultaneous bombings during shrines in Karbala and Baghdad during Ashura.
The following year, during slightest 965 pilgrims were killed in a bolt on a overpass over a River Tigris in a Iraqi capital, Baghdad, during a opposite Shia holy day. Panic widespread among a pilgrims over rumours that there were self-murder bombers.