Tehran, Iran – Iran’s national currency has plunged to new lows as authorities mobilise to dampen the impact of the naval blockade enforced by the United States.The Iranian rial shot above 1.81 million to the US dollar on the open market by early afternoon on Wednesday before partially recovering. The embattled currency changed hands for about 1.54 million earlier this week, and its rate was about 811,000 per US dollar a year ago.Recommended Stories list of 3 itemsend of listThe rial had remained relatively stable over the past two months after experiencing an earlier drop as US forces amassed in the lead-up to the US-Israeli war on Iran, which began at the end of February.The latest freefall follows on from unchecked inflation, which has been increasingly plaguing the Iranian economy as a result of mismanagement and sanctions, and continues to ravage households. Washington now has three aircraft carriers in the region and is bringing in more troops and equipment as Israel expresses readiness to restart fighting, three weeks after a ceasefire began.Iran’s authorities this week projected a hardened stance on negotiations with Washington, and pledged to fight the naval blockade of Iran’s southern waters, which the US Central Command insisted on Tuesday had “cut off economic trade going into and coming out of” the country.Amid threats by US President Donald Trump, the Iranian government has also tried to empower its own border provinces to import essential goods by reducing red tape. It has also allocate …