Iran's Natanz nuclear plant lost building when fire tore through it recently in the latest in a series of unexplained incidents. A spate of explosions and fire accidents in Iran of late has shaken Tehran but the similarities in all these incidents is quite unusual.

Iran: Recent attacks lay bare glaring holes in Tehran's intelligence inputs

A fire that broke out at Iran's Natanz nuclear enrichment site on Thursday caused significant damage, the spokesman for the Atomic Energy Organization of Iran was quoted as saying on Sunday by the official IRNA news agency.

Iran admits fire at Natanz nuclear facility caused significant damage

After a mysterious fire broke out at the Natanz nuclear site in Iran, Iranian officials have blamed it on cyber sabotage. However, Israel's Defence Minister retaliated by saying that Israel is not "necessarily" behind every mysterious incident.

Israel 'not necessarily' behind every Iran incident: Israel's Defence Minister

Iran's nuclear body said an accident took taken place at a warehouse in a nuclear complex without causing casualties or radioactive pollution. The Natanz Fuel Enrichment Plant (FEP), Iran's main uranium enrichment site, is one of the several Iranian facilities monitored by the United Nations nuclear watchdog.

Iran reports accident at nuclear complex; no radioactive material pollution

Tehran on Thursday reported an "accident" at Natanz nuclear complex in central Iran, saying there were no casualties or radioactive pollution, and warned foes -- especially Israel -- against hostile actions.

Iran reports 'accident' at nuclear site, warns enemies