Speaker of Lebanon's House of Representatives (Parliament) Nabih Berri is expected to arrive in Tehran tomorrow, Sunday, for a four-day visit to Iran at the invitation of Iran's Advisory Council Speaker Ali Larijani. Iran's Advisory Council Deputy Speaker Hossein Sheikh-ul-Islam said in remarks published here Saturday that Berri, during his visit, will hold talks with Iranian officials on bilateral relations and the Syrian crisis in addition to current hot issues on the top of which is the terrorist explosion that took place in front of the Iranian Embassy in Beirut last Tuesday and claimed about 24 people and left 145 others wounded.