Prime Minister and Minister of Interior HE Sheikh Khalid bin Khalifa bin Abdulaziz Al-Thani witnessed the conclusion of Barzan Joint Exercise (9) organised by the Amiri Guard at Lahsaniya camp on Thursday morning. The presentation included a variety of parade formations, a series of training for the safety and protection of people, and the role of authorities concerned with carrying out regular and additional tasks while hosting sports tournaments to measure the speed of emergency response and aspects of dealing with it. (QNA)