Cleared of all trees are fuel for the flames. the former chancellor, rishi sunak, and the foreign secretary, liz truss, will go head to head in the race to become the next british prime minister. sri lanka s new president calls for unity, but warns he would deal firmly with efforts to topple his government. live from our studio in singapore. this is bbc news. it s newsday. welcome to bbc news, broadcasting to viewers in the uk and around the world. it s six in the morning here in singapore and six in the evening in somerset, massachusetts, where us presidentjoe biden has described climate change as an existential threat to the united states and the world, while unveiling new executive steps he will make to address it. $2.3 billion will be spent on a range of new measures