Turkish Parliament Speaker Koksal Toptan has arrived in Sana'a on Wednesday in a few-day visit.During the visit that is in respond to an invitation from Speaker of Parliament Yahya al-Rae'i, the Turkish official will held talks with officials at the government and parliament.Tuptan told Saba that he would sign a supplementary protocol to the protocol that was signed in 1995 aiming at boosting cooperation between the two councils in various fields.