Their arrival comes after US President Donald Trump says he wished Vice President JD Vance luck as the US delegation heads to the region
Vance tells reporters that he is "looking forward to negotiations" but cautions if Iran doesn't act in "good faith" and attempts to "try to play us" the US won't be receptive
Earlier, Iran's parliament speaker says a ceasefire in Lebanon must happen "before negotiations begin", throwing uncertainty over the status of the talks and displaying their complexities, our diplomatic correspondent writes
Meanwhile, Lebanese officials say negotiators will meet with an Israeli delegation in Washington on Tuesday to discuss a ceasefire and the potential for opening wider talks but Israel says those talks won't include a ceasefire with the militant group Hezbollah, which operates in the country
There has been confusion over whether the US and Iran's two-week ceasefire includes Lebanon - here's everything we know
