A widening group of leading Democrat officials and donors are looking at Vice President Kamala Harris as a potential replacement to lead their party in November's election. New heat alerts are popping up in parts of the US, as close to 140 million people remain under previous ones. Hurricane Beryl made landfall near a popular tourist area of Mexico's Yucatán Peninsula. The UK officially has a new prime minister after a historic election. Plus, there's new hot dog eating champion after a close competition.