On Wednesday evening in one of the office buildings in the west of Tehran, the capital of Iran, there was an explosion.
The video shows emergency vehicles rushing to the damaged building. The background of the incident and the exact location are not yet known.
Official Iranian media have not yet confirmed reports of the explosion.
It is noted that the blast is the latest in a string of mysterious explosions and fires at Iranian government, industrial and nuclear facilities that have occurred over the past year.