The U.S. said this week that it was rushing an aircraft carrier group to the Middle East to deter or respond to any Iranian attack.
Pompeo has said he believes humans are contributing to a warming planet, but that worldwide agreements are a poor way to deal with that issue and instead are too costly to the U.S.
"We don't want anyone interfering in their country, certainly not by attacking another nation inside of Iraq and there was complete agreement", Pompeo said.
Pompeo arrived in London after canceling a trip to Germany to make an unannounced visit to Baghdad, where he warned Iraqi officials about what he called imminent threats to American interests in the middleast.
"Any attack on United States interests or those of our allies will be met with unrelenting force", National Security Adviser John Bolton said Sunday in a statement.
While "each country has a sovereign right to make its own decision about how to deal with the challenge", of whether to invite Chinese firms like Huawei and ZTE to bid on infrastructure contracts, the United Kingdom certainly wouldn't want to make the wrong decision, Pompeo hinted, adding, "I have great confidence that the United Kingdom will never take an action that will break this special relationship".
In the latest U.S. move, the Pentagon said it was sending several massive, nuclear-capable B-52 bombers to the region.
Newspaper: Trump lost more than $1 billion from 1985 to 1994
Trump reported losses of $46.1 million from his core businesses - largely casinos, hotels and retail space in apartment buildings. The Times quoted a lawyer for the president, Charles Harder, as saying the tax information was "highly inaccurate".
"When it comes to Huawei and ZTE the United States has been cristal clear...we don't believe you can have those technologies in your systems and still have a trusted network".
Hunt said Britain and the United States had agreed that Iran should never be allowed to acquire a nuclear weapon, but had a different approach on how to achieve this.
Iranian President's Office, President Hassan Rouhani visits the Bushehr nuclear power plant just outside of Bushehr, Iran, January 13, 2015.
In response to last month's USA designation of the IRGC as a terrorist group, Iran responded by declaring the United States a state sponsor of terrorism and its forces in the Middle East as terror groups.
Also high on the agenda was the Iran nuclear deal, abandoned by Mr Trump a year ago.
Pompeo also said it was "disgusting" to see political leaders supporting Nicolas Maduro when he was asked about Labour leader Jeremy Corbyn's alleged backing for the authoritarian Venezuelan president.