Tripartite meeting of Pakistan, Afghanistan and NATO higher officials was held at Torkham border here on Thursday. The meeting was attended by senior officials of Pakistan, Afghanistan and NATO in which matters related to security matters was discussed. According to media reports, Pakistani delegation included Khyber political agent Safeer ullah and other security officials According to sources, maters related to the security of Torkham Border, NATO supply and construction of Pak Afghanistan border were discussed. Sources told that Torkham border remained closed for any sorts of transportation during tripartite meeting for security reasons.