Ukraine could be cleared to launch British Storm Shadow cruise missiles at targets inside Russia within days as it seeks to fight off Putins forces.
The US is reported to be ready to relax its ban on the weapons, which use American technology, being used outside Ukraine over retaliation fears.
Joe Biden and Sir Keir Starmer are expected to discuss the missiles at a hastily-arranged meeting in Washington on Friday, after it was revealed that Iran has supplied Russia with more long-range weapons.
Foreign Secretary David Lammy and his US counterpart Antony Blinken arrived in Kyiv this morning to meet President Zelensky in their first joint trip.
He has repeatedly pushed for permission to use Western missiles to strike at targets within Russia.
The US is reported to be ready to relax its ban on the weapons, which use American technology, being used outside Ukraine over retaliation fears.
Foreign Secretary David Lammy and his US counterpart Antony Blinken arrived in Kyiv this morning via train from Poland (pictured) to meet President Zelensky in their first joint trip.
Joe Biden and Sir Keir Starmer are expected to discuss the missiles at a hastily-arranged meeting in Washington on Friday, after it was revealed that Iran has supplied Russia with more long-range weapons.
Iran, as it has with previous US intelligence findings, has denied providing Russia with weapons for its war in Ukraine.
As part of the response the UK, along with France, Germany and Italy, is cancelling its bilateral air services arrangement with Iran, which will restrict Iran Airs ability to fly in the UK and Europe.
Implementing the ban on Iran Air flights will take 12 months.
The UK and Washington also announced coordinated sanctions against Iranian and Russian individuals and organisations.
The UK has also sanctioned five Russian cargo ships thought to have been involved in ferrying arms.