Turkey and Qatar have established a mutual defence agreement to enhance military collaboration and regional security, ensuring a joint response to any external aggression. Erdogan announced pact after meeting Qatari Emir in Istanbul, pledged expanded defence industry cooperation and joint efforts to promote peace in the. Turkey and Qatar have signed a mutual defence agreement following talks between President Recep Tayyip Erdogan and Qatari Emir Sheikh Tamim bin Hamad Al Thani in.