JOHANNESBURG – Tunnels from the Lesotho Highlands Water Project will be closed for maintenance from the first of October. So says Deputy Water and Sanitation minister, David Mahlobo.READ: Lesotho Highlands tunnel to be closed for repairsAbout four provinces, including Free State and the North West will be affected.Mahlobo says measures will be in place to fill the gaps. He was speaking at the Water Imbizo in Boksburg on Friday.