The BBC's Jonathan Beale explains what impact the weapons might have if the US decides to send them to Ukraine.
If Putin does go to Budapest to meet Trump in the next two weeks, he would need to clear a few hurdles first....
It comes after the UK said it had pushed back a decision on the controversial site for the second time....
Ukraine's leader will meet Trump in Washington a day after the US president agreed to face-to-face talks with his Russian counterpart....
The phone conversation, held while Zelensky was flying to Washington, stole a march on his big moment....
It is part of a new drive for the 27-member European Union to be ready for conflict by 2030....
The Indian government says it is "not aware" of a call in which the US president claimed India's leader made the commitment....
Sir Ken McCallum says MI5 have disrupted Chinese activity of national security concern in the past week....
Australia's rainforests are the first in the world to make the "concerning" switch, say scientists....
The US president says the move is "a big stop", but there has been no confirmation so far from Delhi....
The destruction and hunger that Sudan's war has brought leaves parents with some impossible choices....
In the last two months, Russia has hugely upped its attacks on Ukraine's trains and rail network....
Some are only now coming forward with accounts of loved ones who disappeared during the civil war and are presumed dead....
This will be the fourth consecutive winter of outages since Russia launched its full-scale invasion in February 2022....
BBC Verify investigates the damage done by two years of war, which could take $70bn and decades to repair....
The government has also targeted a major Indian energy company and Chinese oil terminals in new sanctions....
The impact from the Rosebank oil field is estimated at nearly 250 million tonnes of planet warming CO2....
The Climate Change Committee said the UK should make climate change adaptions beyond the Paris Agreement....
The dead have been burned beyond recognition and officials have warned that the toll could rise....
Israel has warned it will restrict aid convoys into Gaza because of delays returning the remaining bodies....
Moscow denies one of its vessels had to surface in the English Channel because of technical issues....
England boss Thomas Tuchel says there are "no limits" to Marcus Rashford's potential, but warns the Barcelona forward not to end his career thinking "what could have been"....
A major hostage and prisoner exchange marks a significant step towards ending two years of war in Gaza....
The bank has set aside an additional £800m, saying the number of eligible claims is expected to be higher than previously thought....
Ukraine wants long-range missiles to hit back at Russia - and Donald Trump says he may send Tomahawks....
Former Australia batsman David Warner predicts the Aussies will win the Ashes 4-0 because England will play for a "moral victory"....
Hundreds of thousands of federal employees are already on leave without pay as the impasse approaches its third week....
Scotland head coach Steve Clarke says World Cup qualification would "put right" the disappointment of failing to beat Ukraine in the play-offs for the 2022 finals....
David Allen's fairytale big Sheffield headline fight ends in a unanimous points loss to Russian Arslanbek Makhmudov....
Hull KR and Wigan Warriors lock horns at Old Trafford for the Super League title....
