At least 51 people, including 13 rebels, died in a single day of Syrian government airstrikes and shelling of opposition-controlled districts of Aleppo, activists said Thursday as international mediators were trying to salvage faltering

Serbian Prime Minister Ivica Dačić and Kosovo Prime Minister Hashim Thaci will on Wednesday in Brussels hold another round of the Kosovo dialogue. As on previous occasions the talks will be facilitated by EU foreign policy chief Catherine Ashton.

Pakistani Prime Minister Nawaz Sharif left for Ankara on Wednesday on a three-day visit to Turkey to attend Turkey-Afghanistan-Pakistan Trilateral Summit, officials said. The trilateral process, an important platform for high-level dialogue, security cooperation, and economic development partnership, was launched in 2007.