| "They did feel 
				compelled ultimately to fire three warning shots and the reason 
				for that is... they had taken steps already to try and 
				de-escalate this situation," spokesman Peter Cook told 
				reporters.
 Tensions have increased in the Gulf in recent days despite an 
				improvement in relations between Iran and the United States.
 
 Years of mutual animosity eased when Washington lifted sanctions 
				on Tehran in January after a deal to curb Iran's nuclear 
				ambitions but serious differences still remain over Iran's 
				ballistic missile program, Syria and Iraq.
 
 A U.S. defense official, speaking on the condition of anonymity, 
				said the USS Squall patrol craft fired three warning shots from 
				a .50 caliber gun in the northern Gulf on Wednesday after 
				warning flares did not work.
 
 The incident started with three Iranian vessels, but there was 
				only one around by the time the warning shots were fired, the 
				official said. He described the Iranian behavior as "unsafe, 
				unprofessional, and not routine."
 
 At one point, the Iranian vessel came within 200 yards (193 
				meters) of a U.S. ship, the official said.
 
 Another interaction took place between an Iranian and U.S. ship 
				on Wednesday, the defense official said but gave few more 
				details.
 
 The Pentagon earlier this week accused Iranian vessels of 
				harassing a U.S. warship near the Strait of Hormuz on Tuesday.
 
 On Thursday, Iran's defense minister said those Iranian vessels 
				were just doing their job.
 
 “If an American ship enters Iran’s maritime region, it will 
				definitely get a warning. We will monitor them and, if they 
				violate our waters, we will confront them,” Defense Minister 
				Hossein Dehghan said in a statement reported by the Iranian 
				Students’ News Agency.
 
 A State Department spokeswoman said it was not clear what the 
				intentions of the Iranian ships were, but the behavior was 
				unacceptable.
 
 "We believe that these type of actions are of concern, they 
				unnecessarily escalate tensions," State Department spokeswoman 
				Elizabeth Trudeau told a briefing.
 
 (Reporting by Idrees Ali; Additional reporting by Mohammad 
				Zargham; Editing by Paul Simao and Alistair Bell)
 
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