Pakistani President Asif Ali Zardari is scheduled to begin a two-day visit to the Kingdom Wednesday during which he will discuss with King Abdullah, Custodian of the Two Holy Mosques, means for boosting Saudi-Pakistani relations and security cooperation, particularly in the field of combating terror. Pakistani sources in Islamabad said Zardari's talks will also deal with developments in South Asia, the latest regional and international issues and other subjects of mutual concern for the two friendly countries. Zardari would acquaint Saudi officials with the latest developments in investigations into the assassination of Saudi diplomat Hassan Al-Qahtani, who was murdered in Karachi last May, the sources said. Meanwhile, a Saudi security committee arrived in Pakistan Monday for a briefing on the ongoing investigation into Al-Qahtani's murder, said Saudi Ambassador in Islamabad Abdulaziz Al