SEVILLE (INP) - Chiefs of Defence and Military Representatives of the 28 Nato-member countries concluded their two-day of meeting here Saturday. A Nato press release said on a regional perspective, and for long-term stability in Afghanistan, the alliance is developing tailored cooperation with Pakistan, a key regional player. A renewed effort to strengthen that cooperation will be instrumental to the stabilisation of the entire region. Army chief General Ashfaq Parvez Kayani had provided the conference an insight into Pakistan's perspective of how the strategic and operational partnership between Isaf, Ansf and the Pakistan Army is developing. The conference focused mainly on the operation in Afghanistan, the current transformational and operational challenges, lessons learned, and the role of the alliance in the aftermath of the 'Arab Spring.