scotland and northern ireland, low to mid to mid 20s, mid to upper 20s in wales and england come up to 30 cemex. some of that sea breezes kicking in. some of that low cloud across northwest scotland again going into monday morning. some patches of it around piracy coasts. the night starting to get touch warmer as well. during monday, we will see some cloud increasing into scotland and northern ireland, there will still be some warm sunny spells around. the sun may be hazy at their wales and england on monday, but there will still be plenty of it, it will feel even hotter, and for a tuesday in southeast england, it will be hotter still. this is bbc news with the latest headlines for viewers in the uk and around the world. i'm david willis. sri lanka's president gotabaya rajapaksa will step down after protesters stormed the palace and set fire to the prime minister's house. we report from the scene in colombo. these protesters want a new beginning for sri lanka, a new political culture so that they will not face a similar economic crisis in this country. the uk defence secretary, ben wallace, rul

and we've set ourselves some very key targets so that we can bring... as cemex, we can bring net zeroconcrete globally by 2050. do you really believe that that's possible? absolutely. we believe we can do it. we're already making significant progress, notjust here in the uk, but globally in all the different countries that we operate in. some low—carbon cement will be used by the railfirm hs2 here in the chiltern hills, north—west of london. hs2 is massively controversial. some experts say it's not needed at all. locals hate it because of the noise, the disruption and the impact it has on some of southern england's finest countryside. and environmentalists don't like it because of the steel and cement involved and all the carbon dioxide that entails. now hs2 is trying to make amends with the help of a sandwich — a very big sandwich. here's an animation showing what a stretch of the raised track will look like. it will be made with an innovative sandwich of cement and steel. the design enhances the properties of both materials, so building the viaduct uses less of both. so we're saving