President Recep Tayyip Erdoğan held phone conversations with Saudi King Salman bin Abdulaziz and Qatar's Emir Sheikh Tamim bin Hamad bin Khalifa Al Thani on Friday night.According to the presidential sources, Erdoğan called Qatari Emir and Saudi king to discuss the regional developments, without specifically naming Yemen.It was not clear whether it was a group discussion or if Erdoğan spoke to King Salman and Sheikh Tamim bin Hamad Al Thani separately.Turkey, which has the second-largest army in the NATO military alliance, has not taken an active role in the operations in Yemen so far, although it has said it is able to offer logistic and intelligence support.