By The Associated Press

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The latest developments on the Russia-Ukraine war:

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GOTLAND, Sweden xe2x80x94 Sweden says four Russian fighter jets violated its airspace over the Baltic Sea on Wednesday.

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The four aircraft xe2x80x94 two SU-27 and two SU-24 fighters xe2x80x94 flew briefly over Swedish airspace east of the island of Gotland, according to a statement from the Swedish Armed Forces.

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xe2x80x9cIn light of the current situation we are very concerned about the incident,xe2x80x9d Swedish Air Force chief Carl-Johan Edstrom said. xe2x80x9cThis is unprofessional and irresponsible behavior from the Russian side.xe2x80x9d

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Swedish fighter jets were scrambled and took photos of the Russian jets, the statement said.

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xe2x80x9cThis shows that our readiness is good. We were in place to secure the territorial integrity and Swedish borders,xe2x80x9d Edstrom said. xe2x80x9cWe have total control of the situation.xe2x80x9d

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WASHINGTON xe2x80x94 The Pentagon announced that it is postponing a nuclear missile test launch scheduled for this week to avoid any possible misunderstanding in light of Russian President Vladimir Putinxe2x80x99s recent decision to put his nuclear forces on higher alert.

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Pentagon press secretary John Kirby said the decision to delay the test of a Minuteman III intercontinental ballistic missile was made by Defense Secretary Lloyd Austin. He said the U.S. would like to see Moscow reciprocate by xe2x80x9ctaking the temperature downxe2x80x9d in the crisis over Ukraine.

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Kirby said the U.S. did not put its nuclear forces on higher alert in response to Putinxe2x80x99s move, which the spokesman described as dangerous and unnecessary.

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Austin is xe2x80x9ccomfortable that the strategic deterrence posture that we have in place is up to the task of defending the homeland and our allies.xe2x80x9d

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The United States usually performs about four test launches of Minuteman III missiles per year.