Qatar's foreign ministry spokesperson Majed al-Ansari stated on Tuesday that Doha is working with Oman and Pakistan to exchange proposals between Washington and Tehran, including draft language for a short-term resolution. US President Donald Trump said Monday that talks are ongoing and described them as Iran's last chance before further military action, while Iran has denied direct negotiations. Oil prices fell more than 2 percent following the comments, and reports indicate continued shipping incidents in the Strait of Hormuz.