Hamas chief Khaled Meshaal has arrived in Turkey, a day after Palestinian leader Mahmud Abbas began a four-day visit, Hurriyrt Daily News reports.
Meshaal was currently in Istanbul, it was not immediately clear whether he would meet with Abbas.
Turkish Foreign Ministry officials contacted by the Hurriyet Daily News would not comment.
Abbas arrived in Ankara on Tuesday afternoon as Palestinian officials reported disagreements between his Fatah faction and Hamas over the formation of a unity government.
Turkish officials said Abbas would have a "private program" before talks on Thursday and Friday with President Abdullah Gül, Prime Minister Recep Tayyip Erdoğan and Foreign Minister Ahmet Davutoğlu.