Washington DC: June 19, 2012. (PCP) According to APP, a Pakistani news agency have reported that Pakistani Ambassador in USA Sherry Rehman have demanded an open apology from US on killing 25 Pakistani soldiers in Salala Check Post bordering Afghanistan. According to PAC press communique the PAC 20th Conference is on US-Pakistan Relations, Roles of Pakistani-Americans and PAC Mission. The Conference was held from 10;00 AM to 7:00 PM on June 18, 2012, at Rayburn House Office Building of the US Congress, Washington DC, USA Marc Grossman, the US Special Representative for Afghanistan & Pakistan, US State Department officials, scholars of Think-Tanks, noted journalists and Pakistani-American community leaders participated in conference. Ms. Sherry Rehman - Pak Ambassador to USA, Dr. Asad Majeed Khan - DCM, Embassy of Pakistan, Ms. Fauzia Kasuri - PTI Women Wing President, Ms. Anusha Rahman - PML-N MNA, Dr. Imtiaz Khan - KAC Vice-President, Mr. Sareer Fazili - KAC Attorney-at-Law, Dr. Ashraf Abbasi - PAC ex-President and Dr. Khalid Luqman - PAC President were among speakers according to press invitation of Pakistani American Congress.