Ankara: Turkish President Recep Tayyip Erdogan yesterday said he is saddened by the continuation of the Gulf crisis, stressing the need for solidarity and brotherhood now more than ever before. The crisis between the brotherly Gulf states hurts us and saddens us, Erdogan said in a speech to the Higher Education Conference in Islamic Countries in Ankara, stressing that that the Islamic civilization is based on brotherhood, solidarity and cohesion among Muslims.