Tensions between Iran and the US rise again. Tehran puts its Armed Forces on high alert. RBC-Ukraine explains what is happening and assesses the risk of escalation between Tehran and Washington. Contents Military readiness in response to Trump's statements The Iranian armed forces have prepared missiles capable of striking US positions.

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Iran's Supreme Leader Ayatollah Ali Khamenei said on Monday the U.S. would receive a strong blow if it acts on President Donald Trump's threat to bomb if Tehran does not reach a new nuclear deal with Washington.

Here's what to know about the letter, Iran's nuclear program and the overall tensions that have stalked relations between Tehran and Washington since the 1979 Islamic Revolution. Trump dispatched the letter to Khamenei on March 5,

Iran has responded to a letter sent by U.S. Donald Trump to its supreme leader in an attempt to jump-start talks over Tehran’s rapidly advancing nuclear program, rejecting the option of direct talks.

U.S. President Donald Trump threatened Iran on Sunday with bombing and secondary tariffs if Tehran did not come to an agreement with Washington over its nuclear program. In Trump's first remarks since Iran rejected direct negotiations with Washington last week,