Dozens of world leaders are attending the event in Switzerland, but Russia is not invited.
Iran has carried out strikes against Israel, across the Gulf and against a British base in Cyprus in retaliation....
Defence sources say a final decision has not yet been made, but it is understood HMS Duncan is being prepared....
Ukraine fears what soaring oil prices and a shortage in air defences could mean for them....
It's hard to predict how the war will end - but those fighting know how they would like it to....
His supporters in one Texas town hail his actions in the Middle East - though some comments suggest seeds of trouble....
Ireland forwards coach Paul O'Connell insists we "don't expose ourselves" to the narrative that Wales are rank outsiders when the sides meet on Friday....
A fast-moving day saw the conflict widen in the region, with strikes being traded between opposing sides....
The US president laid out some of his objectives on Monday, but made no mention of what Iran's future might look like after the war....
Ben Chu has been looking at what’s happened to marine traffic in the Strait of Hormuz, a key trade passage....
Trump says he took the “last best chance” to hit Iran....
If oil prices remain high for some time, the knock-on effects could affect the costs of fuel and food...
Experts have warned that a prolonged conflict could push global energy prices even higher....
Iran's retaliatory strikes have killed three US service members...
The papers are all leading on conflict in the Middle East for a second consecutive day....
Donald Trump warned of more US deaths after three US service members have been killed in action on the second day of US-Israel attack on Iran....
Trump warns 'there will likely be more' US deaths...
BA and Virgin Atlantic are among major airlines to ground services to the Middle East in light of the attacks....
As we start meteorological spring, Simon King explores whether it is time to put away your winter coat....
The US president may be forced to wage a political battle at home while presiding over a new war in the Middle East....
What we know so far about the US-Israeli strikes against Iran and what might come next....
Chelsea boss Liam Rosenior condemns the racial abuse aimed at players - warning it is "very easy" for social media users to target them without punishment....
Paramount beats Netflix to the major deal, pleasing figures in DC and LA alike, the BBC's culture and media editor writes....
Bombings by Pakistan are the most significant development in tensions between the two neighbours - though the physical impact remains unclear....
Sweden's defence minister says there is likely a "strong link" between the drone and a Russian naval vessel in the area....
Security experts have warned that Western governments are poorly equipped to counter a new frontier of online disinformation....
The star, nominated for five prizes at the Brits, plays a low-key gig to get Manchester in the mood....
Netflix's decision to back down from the bidding war clears the path for Paramount to win the takeover battle....
Veteran promoter Frank Warren confirms he is considering legal action against Saudi Arabian-owned Sela and American company TKO....
Russia's announcement comes as Ukraine's top negotiator met US peace envoys in Geneva....
Hungary's prime minister accuses Kyiv of imposing an "oil blockade" after Kyiv says a critical pipeline was closed after Russian strikes....