DUBAI, United Arab Emirates (AP) — Iran and the United States began a fourth round of negotiations Sunday over Tehran’s rapidly advancing nuclear program, officials said, just ahead of a visit by President Donald Trump to the Middle East this week.

Suspected Islamist militants attacked a Nigerian army base and captured soldiers and ammunition during a raid in the insurgency-hit northeastern Borno state in the early hours of Monday, two security sources told Reuters.

By bnm Tehran bureau The United States and Iran agreed to move forward with nuclear talks following direct and indirect discussions in Muscat on May 11, sources close to negotiations said, citing a senior US administration official.