The British government said on Sunday that it will develop a new deep-strike ballistic missile for Ukraine to support the country’s war efforts against Russia.For the latest updates on the Russia-Ukraine war, visit our dedicated page.Under the project, named Nightfall, the British government said it has launched a competition to rapidly develop ground-launched ballistic missiles that could carry a 200 kg (440 lb) warhead over a range of more than 500 km (310 miles).Read more:Ukraine’s military says it struck Lukoil drilling platforms in the Caspian SeaUkraine drone strike causes fire at oil depot in Russia’s Volgograd regionWinter pierces Kyiv homes after Russia knocks out heat