India, June 23 -- Iran on Monday carried out missile attack on a US air base in Qatar, "matching" the number of bombs dropped by the United States on Iranian nuclear sites on the weekend.

The country's Supreme National Security Council made the announcement after the attack, which Qatar said caused no injuries. US military bases in Iraq were also targeted by Iran. Follow LIVE updates.

Iran threatened retaliation against Washington DC after US bombers dropped 30,000-pound bunker-busters on underground nuclear sites in Iran over the weekend, joining Israel's air campaign against Tehran.Also Read | What Iran said about strikes on Qatar's Al Udeid air base: 'Mighty and successful'

The American strikes targeted three Iranian nuclear sites -...