Saudi Arabia's Aramco crude oil facilities in Abqaiq and Khurais were attacked on Sept. 14, cutting oil production by nearly six million barrels a day.
Britain has concluded that Iran was responsible for attacks on oil facilities in Saudi Arabia, U.K. Prime Minister Boris Johnson said Sunday.
As the United States and Israel escalate their push to contain Iranian influence in the Middle East, countries in Tehran's orbit are feeling the heat.
Iran: An attack over a drone-and-missile strike on Saudi Arabia's oil industry will result in "all-out war," further pushing up tensions.
Iran's supreme leader said that "there will be no talks with the U.S. at any level" – remarks apparently meant to end speculation about a possible upcoming meeting.
Iran acknowledged for the first time on Monday that a rocket at its Imam Khomeini Space Center exploded after satellite photos showed the blast last week.
Iran's president back-pedaled on possible talks with Donald Trump, saying the U.S. president must first lift sanctions imposed on Tehran.
The United States moved on Thursday to halt the release of an Iranian supertanker detained in Gibraltar for breaching EU sanctions on oil shipments to Syria.
Iran's president lambasted new U.S. sanctions by the Trump administration targeting the country's foreign minister, describing the move on Thursday as "childish" and a barrier to diplomacy.
President Hassan Rouhani suggested that Iran might release a U.K.-flagged ship if Britain takes similar steps to release an Iranian oil tanker seized by the British Royal Navy.