Washington DC, Feb. 19 -- US President Donald Trump on Thursday issued a warning to Iran, saying it "must make a deal" and stop threatening regional stability, while indicating that the upcoming "10 days" would be crucial in determining the next course of action.

Speaking at the Board of Peace event, Trump said, "Now is the time for Iran to join us on a path that will complete what we're doing. And if they join us, that'll be great. If they don't join us, that'll be great, too. But it'll be a very different path."

He stressed that Tehran could not continue destabilising the region."They cannot continue to threaten the stability of the entire region. And they must make a deal. Or if that doesn't happen, bad things will happen if it doesn...