Radical groups operating on Iraqi territory claim to have carried out more than 20 military operations against US military bases both in Iraq and abroad in the past 24 hours.
Saudi Arabia's air defense systems shot down a drone intended to strike the diplomatic quarter in Riyadh, the kingdom's defense ministry said.
The kingdom has intercepted a total of six Iranian drones near the capital.
Iranian drones attacked fuel tanks at Kuwait International Airport, the emirate's army said.
A fire broke out at the Salman port in Bahrain, ISNA reported. Bahrain's air defense systems have destroyed 92 missiles and over 150 drones launched from Iran towards the kingdom since the beginning of the escalation of tensions in the region, the Bahraini army's general command announced.
Qatar's air defense systems intercepted six ballistic missiles and two cruise missiles coming from Iran, the emirate's Ministry of Defense announced.
The former UN headquarters in the Iraqi city of Sulaymaniyah was attacked twice by a drone in the past hour, the Shafaq News portal reported.
The Israel Defense Forces (IDF) said that the Israeli Air Force had attacked several fuel storage facilities in Tehran.
Four B-1 Lancer strategic bombers of the US Air Force are stationed at Fairford Air Base in southwest England in preparation for further strikes against Iran, it reported The Guardian.
The German government has temporarily evacuated its embassy staff in Tehran, the DPA news agency reported, citing the German Foreign Ministry.