India, April 12 -- The US-Iran talks in Islamabad collapsed after 21 hours of continuous negotiations, with both sides failing to reach an agreement.

Iranian state media blamed the breakdown on what it described as 'unreasonable' and 'excessive' demands by the US. According to Press TV, key sticking points included the Strait of Hormuz, nuclear rights, and other contentious issues.

State broadcaster IRIB said the Iranian delegation engaged in intensive, round-the-clock negotiations to safeguard national interests, but despite multiple initiatives from Tehran, Washington's demands stalled any progress, ultimately bringing the talks to an end.

"The Iranian delegation negotiated continuously and intensively for 21 hours in order to protec...