Iran's Revolutionary Guards said that 12 people were arrested for reportedly collaborating with Israel and "planning acts against Iran's security."
"As the Zionist regime (Israel) and their Western backers, most notably the United States, have not succeeded in their sinister goals against the people of Gaza and Lebanon, they are now seeking to spread the crisis to Iran with a series of actions planned against our country's security," the statement said.
Tensions in the Middle East have shot up since thousands of pagers and walkie-talkies used by Lebanon's Hezbollah members exploded in an attack widely blamed on Israel. Hezbollah and Israel have exchanged some of the heaviest cross-border fire in a conflict running in parallel to the almost year-long Gaza war.
The Revolutionary Guards added that members of the network of 12 operatives were arrested in six different Iranian provinces, but did not say when.
In late July, the political leader of Palestinian group Hamas, Ismail Haniyeh, was killed in Tehran in an assassination blamed on Israel by Iranian authorities. Israel has made no claim of responsibility. Since then, tensions in the region have notably increased, with the the threat of a full-scale regional war looming.
Indonesian rescuers were searching on Sunday for 130 people from a passenger ship that sank in the Java Sea after 113 others were evacuated, the country's search and rescue agency said, adding that six people had died.
At least five people were wounded in a Russian attack on the Ukrainian city of Odesa on Sunday morning, officials said, a day after strikes on the city killed two people.
Authorities in the Philippines said on Sunday it could take weeks or months to identify the victims of a ferry fire that killed 76 people, as forensic experts begin collecting and comparing DNA samples and investigators determine the cause.
Saudi Arabia shut its East-West oil pipeline on Friday after it was hit in a drone attack, disrupting a key route used to bypass shipping problems in the Strait of Hormuz.
His Highness Sheikh Hamdan bin Mohammed bin Rashid Al Maktoum, Crown Prince of Dubai and Deputy Prime Minister, has approved an official of the rank of Director-General as the first recipient of the Mohammed bin Rashid Leadership Medal.
Dr Anwar Gargash, diplomatic advisor to the UAE president, on Sunday said the meeting between Abu Dhabi Crown Prince His Highness Sheikh Khaled bin Mohamed bin Zayed Al Nahyan and Iranian President Dr Masoud Pezeshkian reflects the UAE's stance of "deterrence and diplomacy".