Israel warns of a new era of war after deadly device blasts in Lebanon, raising fears of wider conflict. China is quickly closing in on the US in the race to master nuclear fusion – a limitless clean energy source. Polls show a tight race between Kamala Harris and Donald Trump in Pennsylvania, as mail-in voting starts this week in some states. Trump Media's stock sell restrictions lift today. The highest peak in America's most visited national park gets its Native American name back.