Iran’s atomic energy chief makes comment as more mediated negotiations with the US expected.

Earlier this week, Tehran's Foreign Minister Abbas Araghchi said a complete halt to uranium enrichment was absolutely unacceptable to Iran.

US Iran tensions: Tensions between Tehran and Washington escalated after US President Donald Trump called for a regime change in the nation, particularly after the nationwide protests.

Feb 9 (Reuters) - The United States issued fresh guidance on Monday to commercial vessels transiting the Strait of Hormuz, a key shipping lane for Middle East oil supplies, as tensions simmered between Washington and Tehran over Iran’s nuclear program.

The reality is that most US bases in the Gulf fall within range of at least one type of Iranian ballistic missile. This is why Washington treats Tehran’s warnings seriously, even as it deploys more forces to the region.

The detentions of politicians from Iran’s opposition follow mass arrests and a string of repression tactics aimed at preventing further anti-government unrest.

U.S. and Iranian officials meet separately in Oman for indirect nuclear talks, with diplomats reportedly preparing conditions for resumed negotiations.

Delegations from the United States and Iran concluded indirect talks in the Gulf Arab state of Oman Friday. It was the first round of negotiations between the two sides since the US and Israel struck the Islamic Republic last summer.

The notion that Iran only has these various ballistic missiles for defense or maintaining deterrence is contradicted by many of its actions since 2015.

The negotiations over Tehran’s nuclear capabilities come against a backdrop of deadly protests inside Iran and a buildup of U.S. military assets in the region.

In an interview for Euronews' flagship morning show Europe Today, Iranian chess grandmaster Mitra Hejazipour urged international action over Iran’s deadly protest crackdown, backed Reza Pahlavi and warned US-Iran talks are a dead end.