The embassy attack led Azerbaijan to temporarily suspend its operations at its mission in Tehran and evacuate its staff from the country. A gunman stormed the Azerbaijani Embassy in Tehran on January 27, killing one guard and wounding two others. Iran said the attack was motivated by personal reasons, but Baku described it as a “terrorist attack.” Iranian media said the attacker, who was arrested, was an Iranian man married to an Azerbaijani woman. The attacker was quoted as saying that his wife disappeared after entering the Azerbaijani Embassy. (https://finance.yahoo.com/news/iran-azerbaijan-relations-under-stress-210000082.html) The incident has further strained relations between the neighbors, who have a history of tensions. Azerbaijan has long been suspicious of Iran’s ties with Armenia, Baku’s archenemy. Meanwhile, Tehran has increasingly expressed concern about Azerbaijan’s deepening relations with Israel, Tehran’s regional foe. Baku recently appointed its first-ever ambassador to Israel, which is a major arms supplier to Azerbaijan. Azerbaijan has also long complained of Iran’s alleged mistreatment of its sizable ethnic Azeri minority. Tehran has accused Baku of fomenting separatist sentiment in the Islamic republic.