Iran will “never forget” the US killing of Iranian military commander Qassem Soleimani, Supreme Leader Ali Khamenei said on Wednesday, adding that Tehran remains committed to avenging his death.Supporters of former supreme leader and founder of the Islamic Republic, Ruhollah Khomeini, attacked and occupied the US embassy in Tehran in November of 1979 and held 52 Americans hostage for 444 days.Washington severed diplomatic ties with Tehran in 1980, a few months after the seizure.Khamenei again blamed ongoing anti-regime protests in Iran on the US, Israel and “some malicious European powers.”Protests sparked by the death in police custody of 22-year-old Mahsa Amini have rocked Iran since September 16.Read more:Iran’s Khamenei slams protests as ‘scattered riots’ designed by the enemyUkraine will ask FIFA to ban Iran from Qatar World Cup over “human rights violations”US concerned about Iranian attacks on Saudi Arabia: White House"