The U.S. strike on Iran fueled fears that Israel's war with Tehran could escalate to a wider regional conflict, and other countries began reacting Sunday with calls for diplomacy and words of caution.
President Donald Trump had said Thursday that he would decide within two weeks whether to get involved. In the end, it took just days, and Washington inserted itself into Israel's campaign with its early Sunday attack.
It remained unclear early on how much damage had been inflicted, but Iran had pledged to retaliate if the U.S. joined the Israeli assault.
Some have questioned whether a weakened Iran would capitulate or remain defiant and begin striking with allies at U.S. targets scattered across the Gulf region.
Here is a look at reactions from governments and officials around the world.
Lebanon
Prime Minister Nawaf Salam said that Lebanon needs to stay away from any possible regional spillover from the conflict.
鈥淚t is increasingly important for us to adhere strictly to the supreme national interest, which is the need to avoid Lebanon being ... drawn into the ongoing regional confrontation in any way,鈥 Salam said in a post on X.
United Nations
U.N. Secretary General Antonio Guterres said he was 鈥済ravely alarmed鈥 by the use of force by the United States.
鈥淭here is a growing risk that this conflict could rapidly get out of control 鈥 with catastrophic consequences for civilians, the region, and the world,鈥 he said in on the social media platform X. 鈥淚 call on Member States to de-escalate.鈥
鈥淭here is no military solution. The only path forward is diplomacy.鈥
New Zealand
New Zealand Foreign Minister Winston Peters urged 鈥渁ll parties to return to talks.鈥
He wouldn't tell reporters Sunday whether New Zealand supported President Trump鈥檚 actions, saying they had only just happened.
The three-time foreign minister said the crisis is 鈥渢he most serious I鈥檝e ever dealt with" and that it was 鈥渃ritical further escalation is avoided.鈥
鈥淒iplomacy will deliver a more enduring resolution than further military action,鈥 he said.
China
A flash commentary from China's government-run media asked whether the U.S. is "repeating its Iraq mistake in Iran.鈥
The by CGTN, the foreign-language arm of the state broadcaster, said the U.S. strikes mark a dangerous turning point.
鈥淗istory has repeatedly shown that military interventions in the Middle East often produce unintended consequences, including prolonged conflicts and regional destabilization,鈥 it said, citing the American invasion of Iraq in 2003.
It said a measured, diplomatic approach that prioritizes dialogue over military confrontation offers the best hope for stability in the Middle East.
South Korea
South Korea鈥檚 presidential office held an emergency meeting on Sunday to discuss the potential security and economic ramifications of the U.S. strikes.
好色tv security director, Wi Sung-lac, asked officials to coordinate closely to minimize any negative impacts on South Korea, emphasizing that the top priority is ensuring the safety of the South Korean people and the continuation of their stable daily lives, according to the presidential office.
Japan
Japan鈥檚 Prime Minister Shigeru Ishiba was expected to hold a meeting with key ministers Sunday afternoon to discuss the impact of the U.S. strikes, according to Japan鈥檚 NHK television.
Japan鈥檚 largest-circulation newspaper Yomiuri is distributing an extra edition on the attack in Tokyo.
Australia
Australia, which shuttered its embassy in Tehran and evacuated staff Friday, pushed for a diplomatic end to the conflict.
鈥淲e have been clear that Iran鈥檚 nuclear and ballistic missile program has been a threat to international peace and security,鈥 a government official said in a written statement. 鈥淲e note the U.S. President鈥檚 that now is the time for peace.鈥
鈥淭he security situation in the region is highly volatile. We continue to call for de-escalation, dialogue and diplomacy.鈥
