A bus carrying Pakistani pilgrims has overturned in Iran, killing at least 28 passengers, Iranian state media reports.
The crash happened on Tuesday night in the central Iranian province of Yazd and was due to a defective braking system, Reuters reported, citing a preliminary police investigation.
Another 23 passengers were injured, 14 of them critically, Pakistan's ambassador to Iran Muhammad Mudassir Tipu told the BBC.
The pilgrims were travelling from the Sindh province in Pakistan to Iraq's holy city of Karbala to commemorate one of the biggest events in the Shia calendar.
Around 50 people are believed to have been on the bus at the time of the crash, according to local media, including pilgrims from Larkana, Ghotki and cities in Sindh.
Eleven women and 17 men are among those who died in the crash, according to the crisis management director Ali Malekzadeh.
The bus caught fire in front of Dehshir-Taft checkpoint in Iran, around 681km (423 miles) south of the capital Tehran, according to reports by local media.
Mr Malekzadeh said the bus swerved off the road "due to lack of control by the driver of the vehicle, unfamiliarity with the road, high speed and technical problems".
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