Majlis Speaker Ali Larijani will start a regional tour on Sunday which will take him to Iraq, Syria and Lebanon, IRNA reported on Friday. He is scheduled to hold meetings with high-ranking officials of the three Arab countries to discuss the latest developments in the region. Senior Iraqi and Syrian officials, including Syrian Prime Minister Wael Nader al-Halqi and Iraqi Parliament Speaker Salim al-Jabouri, have recently visited Iran to hold talks on regional issues.