Last-minute ceasefire talks between the United States and Iran looked uncertain Tuesday as a two-week truce was set to expire and both countries warned that, without a deal, they were prepared to resume fighting.

President Donald Trump announced he would extend the ceasefire with Iran until the country had submitted a peace proposal.

President Donald Trump says he will extend a ceasefire with Iran until Iran submits a proposal to end the conflict permanently.

On Tuesday afternoon, President Donald Trump said he was extending the cease-fire with Iran, citing the country's "seriously fractured" government.

The United States and Iran on Monday each warned they were ready for war as the clock ticked on a ceasefire, with uncertainty on talks that President Donald Trump had

Trump races for Iran ceasefire before deadline; talks stall after ship seizure and Hormuz closure.

The US is still awaiting a green light from Iran for peace talks to take place before a ceasefire expires on Wednesday, with the sides deadlocked on issues including access to the Strait of Hormuz.

President Donald Trump offered mixed messages on Monday about the path ahead for the U.S. war against Iran, declaring that he was in no rush to end the conflict while also expressing confidence that further negotiations with Tehran will soon take place in Pakistan.