DUBAI, United Arab Emirates (AP) — The latest on developments in the Persian Gulf region and elsewhere in the Mideast amid heightened tensions between the U.S. and Iran:

Days after saying he hoped the U.S. and Iran would not go to war, President Donald Trump threatened Iran with destruction if it seeks a fight.

Trump issued the warning after a rocket landed less than a mile from the U.S. Embassy on Sunday in Baghdad’s Green Zone, further stoking tensions in the region.

Trump tweeted: “If Iran wants to fight, that will be the official end of Iran. Never threaten the United States again!”

Iranian officials say the country is not looking for war.

Trump had seemed to soften his tone after the U.S. recently sent warships and bombers to the region to counter an alleged, unexplained threat from Iran. On Thursday, when asked if the U.S. and Iran were headed toward armed conflict, he answered: “I hope not.”

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An apparent rocket attack has exploded in the Iraqi capital’s heavily fortified Green Zone, home to government headquarters and the U.S. Embassy.

Iraq’s state-run news agency says a Katyusha rocket crashed inside the area without causing any casualties.

Alert sirens sounded briefly in Baghdad after the explosion was heard, according to Associated Press reporters on the east side of the Tigris River.

The apparent attack comes amid heightened tensions across the Persian Gulf, after the White House ordered warships and bombers to the region earlier this month to counter an alleged, unexplained threat from Iran. The U.S. also has ordered nonessential staff out of its diplomatic posts in Iraq.

Iraq hosts more than 5,000 U.S. troops, and is home to powerful Iranian-backed militias, some of whom want those U.S. forces to leave.