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.
The US has granted India a six-month sanctions waiver to operate the Iranian port of Chabahar, India said on Thursday, boosting its efforts to enhance trade with Afghanistan and Central Asian countries bypassing Pakistan.
US President Donald Trump said on Thursday he had agreed to reduce tariffs on China to 47 per cent in exchange for Beijing resuming US soybean purchases, keeping rare earths exports flowing and cracking down on the illicit trade of fentanyl.
Israeli planes and tanks pounded areas in eastern Gaza on Thursday, Palestinian residents and witnesses said, a day after Israel said it remained committed to a US-backed ceasefire despite launching more lethal bombardments in the territory.
Police have arrested five more suspects linked to the theft of treasures worth $102 million from the Louvre museum's Apollo gallery, the Paris prosecutor said on Thursday, expressing hope the latest developments will help them find the jewels.
Afghanistan and Pakistan will restart peace talks in Istanbul, three sources familiar with the matter said on Thursday, a day after Islamabad said the discussions had ended in failure.