Donald Trump has warned in his Tweet that it would be "official end of Iran", if Tehran "wants to fight".
"If Iran wants to fight, that will be the official end of Iran. Never threaten the United States again!" Trump tweeted on Sunday.
Earlier, US warships carried out exercises in the Arabian Sea as part of efforts to build up preparedness for what Washington calls an Iranian threat.
Tensions between the US and Iran have escalated earlier this month, when the US imposed more anti-Iranian sanctions and sent an aircraft carrier strike group, a squadron of B-52 bombers and Patriot interceptors to the Middle East to grapple with what Washington describes as a threat emanating from Iran.
READ MORE: US Navy Flexes Muscles in Arabian Sea Amid Heightening Tensions With Iran
Last May Trump announced the US’ withdrawal from the 2015 Iran nuclear deal with Iran, also known as the Joint Comprehensive Plan of Action (JCPOA), reinstating harsh sanctions against the Islamic Republic.