Iran presses Saudi over more than 340 missing pilgrims

"Unfortunately, we have not seen enough cooperation" up until now, Mohammad Javad Zarif told state television in an interview from New York.

"Of course, the circumstances are special and urgent, but we expect more serious commitment," he added, without spelling out exactly how he felt Riyadh was falling short.

In addition to the dead, 102 Iranians are known to have been injured and another 344 are unaccounted for, two days after the worst tragedy in a quarter-century at the pilgrimage to Islam's holiest sites in Saudi Arabia.

Culture Minister Ali Janati is to head a delegation to Saudi Arabia to follow up on those missing and injured, but state news agency IRNA said the delegation was still waiting for visas.

Janati would also oversee the repatriation of those killed, to take place on Monday, according to Iranian media.

"Bodies of some of the missing Iranians have been found in the morgue," Janati told reporters Saturday.

Meanwhile, Tehran summoned Saudi Arabia's charge d'affaires for the third time since Thursday, pressing Riyadh to locate the missing Iranians.

Deputy Foreign Minister Hossein Amir Abdollahian said "the list of missing Iranians has been passed on to Saudi authorities".

Zarif also called on Saudis to give Iranian responders access to all hospitals where the injured are being kept.

Iranian leaders have condemned Saudi authorities over what they charge were flawed safety measures that led to the tragedy, and also Riyadh's handling of the disaster.

Attorney General Ebrahim Raeisi said: "It is not only incompetence (of their officials), but also a crime."

"The Justice Department demands that the Saudi government put on trial those behind this incident," Raeisi said, threatening to take the matter to international courts, according to state television.