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.

Five people were killed and 13 injured in an attack on Iran’s judiciary headquarters in Zahedan in the southeastern Sistan and Baluchestan Province on Saturday, the judiciary’s Mizan news agency reported.

Six people, including a woman and a child, were killed in an attack on the Zahedan Judicial Centre in Iran's south-eastern Sistan-Baluchestan province, Iranian state news agency Irna reported on Saturday.

Three European powers met with an Iranian minister to try to reopen negotiations over the limits of its nuclear activities.

European and Iranian diplomats have arrived in Istanbul in a renewed effort to resolve the standoff over Tehran's nuclear program. The talks mark the first formal engagement since June's 12-day war between Iran and Israel, a conflict that included U.S. airstrikes on Iranian nuclear facilities and heightened tensions across the region.

Iran says it is ready to engage in talks with the United States, but only if Washington takes meaningful steps to rebuild trust.