Police across the United States are struggling to restore order in universities gripped by pro Palestinian protests. There have been many hundreds of arrests in recent days as some of the demonstrations turn violent. 7NEWS.com.au Tim Lester #7NEWS

The Biden Administration has given Russia and China its clearest warning yet that the US may start expanding its nuclear arsenal. A decision in Washington to increase nuclear weapons would reverse decades of cuts. Tim Lester #7NEWS

There is another first for Donald Trump tomorrow when he meets a probation officer who will assess his mental health ahead of sentencing. Today he was sweating for a different reason, addressing a campaign rally in scorching desert heat. youtu.be/bXVhMMCYlw8 Tim Lester #7NEWS

Fair point. The 2nd angle is telling.

VALE DONALD SUTHERLAND: Tributes continue to flow for the actor who passed away at home in Miami, aged 88. Tim Lester is in Hollywood. WATCH SUNRISE FOR MORE | 7plus ☀️

Julian Assange could be back in Australia within days after the WikiLeaks founder was freed from a UK prison. He is set to face a judge in a remote American court, thanks to a shock plea deal with the US government. 7NEWS.com.au Tim Lester Chris Reason #7NEWS

American politics could turn into a cage fight tomorrow when Donald Trump and Joe Biden come face to face for the first time in four years. It's the first presidential debate before November’s election and the winner could easily stake a claim on the White House. Tim Lester #7NEWS

Joe Biden’s performance in the first US presidential debate has been savaged, even by senior democrats who fear he may have just handed the presidency back to Donald Trump. 7NEWS.com.au Tim Lester #7NEWS

An Australian intelligence agency has issued a rare warning, joining allies to sound the alarm on a highly secretive Chinese espionage operation. 7NEWS.com.au Tim Lester #7NEWS

Australian leaders are also reacting with shock and concern after the attempt on the former President's life. 7NEWS.com.au Tim Lester #7NEWS

There is growing evidence an Israeli hit squad carried out the assassination of a senior Hamas leader, putting the Middle East back on a knife's edge. Undercover operatives infiltrated Iran's elite security guard and planted a bomb under their target's bed. Tim Lester #7NEWS

US President Joe Biden has met with security chiefs in the White House’s situation room with another Middle East escalation now likely. Fears of an Iranian attack on Israel have grown as key Australian ministers arrived in Washington. youtu.be/fVIrB5IJd_I Tim Lester #7NEWS

The stage is set for all-out war in the U.S. election after Kamala Harris picked a former school football coach as her running mate. Tim Walz is Minnesota's governor. She is hoping he is just conservative enough to steal votes from Donald Trump. youtu.be/N2CZtxJY2EA

Donald Trump and Kamala Harris have finally agreed to a televised debate in September. It is poised to be a crucial moment in an election race that was nearly derailed by an assassination attempt. 7NEWS.com.au Tim Lester #7NEWS

She may have entered the race late, but Kamala Harris has turned the U.S. election on its head. The vice president has now leap frogged Donald Trump in the polls and can expect another surge this week, during the Democratic Convention. 7NEWS.com.au Tim Lester #7NEWS

Chicago is braced for trouble as protesters threaten to de-rail the Democratic Convention that will endorse Kamala Harris as its candidate for president. Anger over the war in Gaza is swelling on the streets taking focus away from the political battle with Donald Trump. Tim Lester

Joe Biden shed tears as grateful democrats embraced their leader and thanked him for 50 years of public service. He was the headline opening of the party's national convention in Chicago, which is ushering in a generational change in American politics. youtu.be/cIW6rCmM5Rk

Barack and Michelle Obama have sent the Democratic convention in Chicago into meltdown. America's most powerful political couple threw their support behind Kamala Harris. youtu.be/9Dlmk04m5Zo Tim Lester #7NEWS

For decades, Oprah Winfrey has reflected what America is thinking and feeling and today, she declared it is time to put Kamala Harris in the White House. The man who wants to be vice president has put a line under his job application. youtu.be/BFBO4JKiGWQ Tim Lester #7NEWS

Kamala Harris has bared her soul to the American people formally accepting the Democratic Party's nomination for the presidency. She savaged Donald Trump, framing this election as a fight between democracy and tyranny. youtu.be/noTlKiL69KA Tim Lester #7NEWS