[CNN: The specific timing of Vance's trip to Pakistan remains uncertain] According to CNN, sources revealed that it is still unclear when U.S. Vice President Vance will leave Washington for Pakistan. The White House plans to hold further meetings on Tuesday to discuss follow-up matters, with Vance also participating. A White House official stated, 'The White House is holding more policy meetings, and the Vice President will attend these meetings.' Vance was originally scheduled to depart for Islamabad on Tuesday morning. However, a critical issue remains unresolved—whether the Iranian delegation will travel together. As of late Tuesday morning local time, Iran has yet to decide whether to send officials to Pakistan for the second round of talks.