New Delhi, Aug. 14 -- Syrian, U.S. and Jordanian officials said Tuesday they would work together toward a permanent ceasefire in a southern Syrian region wracked by deadly sectarian clashes last month that threatened the country's fragile transition in the wake of its yearslong civil war.

The announcement came after three-way talks, held in the Jordanian capital of Amman, seeking ways to support post-war reconstruction efforts of Syria's new authorities.

The discussions between U.S. special envoy Tom Barrack and Syrian and Jordanian foreign ministers, Asaad al-Shibani and Ayman Safadi, were the second such meeting, following talks held in July.

The first round focused on a ceasefire that ended days of clashes in the southern Sweida pro...