State TV said the attack on a court building in southeast Iran happened in the province's capital city of Zahedan on Saturday, killing at least six people.

After a five-year drought and decades of mismanagement, Tehran is at risk of running out of water in several weeks, the government warned.

Iran said it would continue nuclear talks with European powers after "serious, frank, and detailed" conversations on Friday, the first such face-to-face meeting since Israel and the U.S. bombed Iran last month.

Iran's state television says an Iranian navy helicopter confronted a U.S. warship attempting to approach Iranian territorial waters in the Gulf of Oman.

Delegations from Iran and the European Union arrived at in Istanbul for talks about the United Nations nuclear watchdog aid could provide an opening to resume inspections.

It is another symbol of deepening strategic cooperation between Russia and Iran, a point of concern for U.S.-led Western allies.

A U.S. Navy warship's interaction with an Iranian helicopter in the Gulf of Oman was safe and professional, contrary to Iranian state media claims.

Iran was working on developing an electromagnetic pulse bomb which could have crippled Israel's electrical infrastructure.