Gulf Arab leaders signed a declaration on Tuesday to ease a rift with Qatar, following Saudi Arabia’s decision to end a 3 1/2-year embargo of the tiny energy-rich country that deeply divided regional U.S. security allies and frayed social ties across the Arabian Peninsula, the Associated Press reported. Saudi Arabia also said that it was restoring full diplomatic relations with Qatar, although it was not clear how soon the step would be followed by the United Arab Emirates, Bahrain and Egypt, which had joined the kingdom in isolating the country over its regional policies. On Monday night, the eve of the Gulf Arab leaders’ summit in the ancient desert city of Al-Ula, the Saudis announced they would open the kingdom’s airspace and borders to Qatar, the first major step toward ending the diplomatic crisis that began in 2017, when the Trump administration was starting to raise pressure on Iran. It was unclear what, if any, significant concessions Qatar had made before the summit. Still, an immediate shift in tone was palpable as one of Qatar’s Al Jazeera Arabic news Twitter accounts shared photos of the Riyadh and Abu Dhabi skylines on Tuesday following years of critical coverage. Saudi Foreign Minister Prince Faisal bin Farhan told reporters after the summit that diplomatic relations would be restored in full with Qatar, although no time frame was given. Read more.