The Airports Company South Africa (Acsa) warned on Monday of longer queues at passport control points at OR Tambo International Airport due to a border management system failure.Acsa attributed the delays to the “unresponsiveness” of the Border Management Authority’s (BMA) biometric movement control system which was “not functioning as expected”.“This has led to longer than usual waiting times for passengers at the immigration points. BMA technicians are working to resolve the issue. While Acsa has sufficient personnel on hand to manage the situation, the delays are a …