JOHANNESBURG – The Border Management Authority says it remains on alert for further unrest in Mozambique.Trucks and goods are currently moving freely through the Lebombo Border Post.READ: Lebombo border post | Security on Mozambican border beefed upBut a new wave of protests is expected as supporters of opposition leader Venancio Mondlane wait to hear from him.BMA commissioner Mike Masiapato says they are prepared for another shutdown.