Between kamala harris and donald trump here in the battleground state of pennsylvania. The rivals will go head to head to win the white house in what many experts say will undoubtedly be a close race. The debate will be 90 minutes long with two commerical breaks here in philadelphia at the national constitution center. The us network abc news is hosting the debate. There will be no audience in attendance, and the candidates microphones will be muted when they are not speaking. It comes at a pivotal moment in the campaign, with both harris and trump aiming to win over undecided voters in key swing states. Joining me now is our north america correspondent gary o donoghue from the spin room floor. Gary, i know the action is picking up there, tell us what you ve been hearing from some of the surrogates for both campaigns. figs of the surrogates for both campaigns of the surrogates for both camaians. A. , ,. Campaigns. As you would expect, some of the campaigns. As you would expect,
Several metres deep. In the north of the territory, the un says a convoy of its staff carrying out polio vaccinations was held at gunpoint for eight hours by the israeli army on monday. The staff have now been released, but the un says it s not sure whether it can continue the vaccination campaign as planned. Meanwhile, syria says at least 18 people have been killed and dozens injured in a series of israeli air strikes. Syrian state media says multiple sites were targeted including scientific research centers. Monitoring organisations say that one of the sites, in the city of masyaf, was housing pro iranian weapons experts. Iran rejected reports that iranian sites were hit. Israel says it will not comment on reports of the strikes. Israel has previously acknowledged carrying out hundreds of strikes in recent years on targets in syria that it says are linked to iran. Our middle east correspondent, hugo bachega has more on the reports from beirut. There has been a sharp increase in the n