Israel and Iran exchanged attacks on Monday, the first such exchange since a ceasefire in the Middle East war took effect two months ago, according to Al Arabiya and Gulf News. Accounts differ on the timing of a reported strike on an S-300PMU2 air defense system: one report from ArmyRecognition.com states Israel destroyed the Russian-made system on April 7, 2026, while Gulf News and Al Arabiya describe Monday’s exchange as occurring after a ceasefire that began around April 8, 2026. The Israeli military, according to Al Arabiya, said it struck and dismantled Iranian defense systems across several areas, and that dozens of warplanes participated in the operation. According to TASS, the Israel Defense Forces targeted facilities in the western and central regions of Iran. Al Arabiya reported that Israel struck a petrochemical plant and air-defense facilities, among other sites, in its first missile attack on Iran after a ceasefire signed in April. The Indian Express reported that Israel struck petrochemical sites in Mahshahr. ArmyRecognition.com stated that the S-300PMU2 system provided a shield against high-altitude threats and was specifically built to track and intercept modern combat aircraft and cruise missiles. The strike affected Iran’s layered air defense network, according to ArmyRecognition.com. Israel penetrated and dismantled a top-tier air defense system supplied by Russia, according to ArmyRecognition.com. Iran’s state media reported explosions in Tehran, according to Bluesky. Iran’s Islamic Revolutionary Guard Corps claimed it launched an attack, according to Bluesky.