The helicopter crash in which claimed the lives of Iran's late President Ebrahim Raeisi and his entourage was primarily caused by weather conditions, including thick fog.

A Russian military helicopter has crashed in the country’s Kaluga region during a routine flight killing all of its crew members.

Iranians gather outside the Iranian embassy in London to mourn the martyrdom of the Iranian president Ebrahim Raeisi.

The UN General Assembly holds a plenary meeting to extend condolences to the Iranian government and people over the martyrdom of President Ebrahim Raeisi and Foreign Minister Hossein Amir-Abdollahian.

Five hopefuls have registered to run in an early presidential election next month in Iran, on the first day of registration following the passing of President Ebrahim Raeisi in a helicopter crash.

Leader of the Islamic Revolution Ayatollah Seyyed Ali Khamenei has received President Bashar al-Assad who has traveled to Tehran to offer condolences over the loss of President Ebrahim Raeisi and his companions in a helicopter crash.

The report said the examination of tests and analysis of data will continue until the main cause of the incident is discovered.