RIYADH: Transport Minister Saleh bin Nasser Al-Jasser visited Riyadh’s King Khalid International Airport to check the progress of work in terminals three and four, the Saudi Press Agency reported on Friday. The minister also checked to ensure the smooth running of activities according to the projects’ operational plans, as well as inspecting the structural and mechanical projects being carried out. He was received by the president of the General Authority for Civil Aviation, Abdulhadi bin Ahmed Al-Mansouri.  His visit is part of a series aiming to ensure the progress of work and performance efficiency across the Kingdom’s airports, and to improve the services offered.