The UK prime minister was not told in advance about the attack that killed General Qasem Soleimani, the BBC understands.
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US 'to send 3,500 more troops to region'
The latest reaction and analysis after one of the most powerful figures in Iran is killed by US forces in Iraq.
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Live
US 'to send 3,500 more troops to region'
The latest reaction and analysis after one of the most powerful figures in Iran is killed by US forces in Iraq.
Video 45 seconds
Hundreds of US troops arrive in Kuwait
US troops have arrived in Kuwait and thousands more may be deployed to the region.
Why kill Soleimani now and what happens next?
The assassination is a dramatic escalation in the low-level conflict between the US and Iran.
Deceived women win GirlsDoPorn legal battle
Some models were driven to the verge of suicide after the porn website reneged on privacy promises.
US announces countrywide ban on flavoured e-cigs
The ban applies to mint and fruit flavours offered in cartridge-based form.
Democrat Julian Castro ends White House campaign
The former Obama housing secretary says in a tweet: "I've determined it simply isn't our time."
Night-flying drone squadrons baffle rural US West
Residents in rural Colorado and Nebraska report seeing scores of blinking, noisy drones over their homes.
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Live
US 'to send 3,500 more troops to region'
The latest reaction and analysis after one of the most powerful figures in Iran is killed by US forces in Iraq.
Video 45 seconds
Hundreds of US troops arrive in Kuwait
US troops have arrived in Kuwait and thousands more may be deployed to the region.
Why kill Soleimani now and what happens next?
The assassination is a dramatic escalation in the low-level conflict between the US and Iran.
Deceived women win GirlsDoPorn legal battle
Some models were driven to the verge of suicide after the porn website reneged on privacy promises.
US announces countrywide ban on flavoured e-cigs
The ban applies to mint and fruit flavours offered in cartridge-based form.
Democrat Julian Castro ends White House campaign
The former Obama housing secretary says in a tweet: "I've determined it simply isn't our time."
Night-flying drone squadrons baffle rural US West
Residents in rural Colorado and Nebraska report seeing scores of blinking, noisy drones over their homes.
Video 45 seconds
Hundreds of US troops arrive in Kuwait
US troops have arrived in Kuwait and thousands more may be deployed to the region.
Why kill Soleimani now and what happens next?
The assassination is a dramatic escalation in the low-level conflict between the US and Iran.
Deceived women win GirlsDoPorn legal battle
Some models were driven to the verge of suicide after the porn website reneged on privacy promises.
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Tehran says the US attack on Qasem Soleimani in Baghdad was an "act of international terrorism".
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The BBC's Jonathan Marcus answers your questions about the US killing of the top Iranian general.
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Too cold in Delhi; too warm in Moscow. What's happened? BBC Weather's Matt Taylor tells Caroline Wyatt the climate is changing. (Picture: Men warming themselves at a small fire in cold Delhi. Credit: AFP/Getty
Thousands protest over the death of Iranian military general Qasem Soleimani in Iran, Iraq, while some celebrate in Syria.
US troops have arrived in Kuwait and thousands more may be deployed as tensions with Iran escalate.
Jeremy Bowen
BBC Middle East editor
The BBC's Jeremy Bowen on what Iran could do in reply to the killing of its top commander.
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Key developments in the saga surrounding the film producer.
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Reality Check team
BBC News
Iran has vowed revenge after the killing of a top general - what forces can it muster?
Read moreThe BBC's Quentin Sommerville explains the man behind the 'shadowy figure'.
