European diplomats met with Iranians on Friday face-to-face for the first time since Israel and the U.S. bombed the country last month. 

The “serious, frank and detailed” meeting in Istanbul, Turkey, lasted for around four hours and the officials all agreed to meet again for continued negotiations on Iran’s nuclear program. 

Sanctions that were lifted on Iran in 2015 after it agreed to restrictions and monitoring of its nuclear program could be reimposed if Iran doesn’t comply with requirements. 

One of Europe’s E3 nations – Britain, France and Germany, who held the talks with Iran – could bring back sanctions under the “snapback” mechanism, which allows one of the European countries to bring back U.N. sanctions if Iran violates the conditions. 

Iran said that the U.S. needs to rejoin the 2015 nuclear deal – after President Trump pulled America out of it in 2018 – saying Iran has “absolutely no trust in the United States.”

The U.S. bombed Iran’s nuclear sites on June 22, a little over a week after Israel had bombed the country over national security concerns about its nuclear program. 

A military truck carries a missile past a portrait of Iran’s Supreme Leader Ayatollah Ali Khamenei during an annual military parade.   (ATTA KENARE/AFP/GettyImages))

Iran responded by attacking Israel and a U.S. Army base in Qatar. 

Isreal and Iran agreed to a ceasefire on June 24. 

The IAEA issued a concerning report in May that said that Iran’s stockpile of near-weapons-grade enriched uranium had grown by nearly 50% in three months.