Iran's Revolutionary Guards on Thursday threatened to target any base used to launch attacks on Iran, issuing a direct warning to Britain, after reports that a US B-1 bomber took off from RAF Fairford to participate in striking targets inside Iran.

In a statement, the Revolutionary Guards said that any base used in military operations against Iran would be considered a 'legitimate target,' warning the British government against expanding its role in supporting US and Israeli attacks.

The statement claimed that the US military resorted to using B-1 bombers launched from Britain after its cruise missile stockpiles on ships in the Indian Ocean were depleted. There has been no US or British confirmation of this account, and it could not be independently verified.

The statement accused Washington of trying to return to negotiations and proposing a new ceasefire to buy time, reorganize its forces, and replenish its stockpiles before resuming military operations against Iran.

The Revolutionary Guards said it would not allow the United States again to exploit what it described as a 'deceptive ceasefire' to replenish its fuel and ammunition stockpiles, then resume its attacks.

The threat coincided with a broader Iranian escalation in the region. Iran's Deputy Foreign Minister for Legal and International Affairs, Kazem Gharibabadi, had warned European countries against providing military facilities to any party involved in attacking Iran.

Of course, a few Europeans like Spain have taken principled positions. It is necessary for European governments to be aware that providing bases and territory to the aggressor will place them among the aggressors. The expectation from Europe is to be a driver of diplomacy and not a follower of the aggressor. (3) pic.twitter.com/Luf73Hmz7n

— Gharibabadi (@Gharibabadi) July 22, 2026

Gharibabadi said in a post on platform X that any country that puts its territory or bases at the service of those attacks would be considered, according to Tehran's position, a participant in them, and would bear what he described as the resulting legal and political consequences.

He added that he presented the Iranian position during a meeting with 25 ambassadors and chargés d'affaires from European countries, stressing that Tehran would respond to any new attack targeting its territory or interests.

The Iranian warnings came after the Bulgarian parliament on Wednesday approved allowing the US military to use the Bezmer air base in southeastern Bulgaria to support its operations in the Middle East.

The parliament approved the government proposal with a majority of 136 votes to 13, allowing the deployment of up to eight US KC-135 aircraft, about 250 military personnel, and support equipment, from next Friday until October 1.

KC-135 aircraft are used to refuel fighters and bombers in flight, allowing them to carry out long-range missions and stay airborne for longer periods.

The Bulgarian government downplayed the Iranian warnings, and Prime Minister Rumen Radev said that carrying out military operations in the Middle East from Bulgarian territory is 'completely excluded,' stressing that the aircraft would perform only logistical missions outside the country's airspace.

Defense Minister Dimitar Stoyanov also said that Sofia has taken measures at the national level and within NATO to avoid Bulgaria's involvement in the war.

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