LAHORE, March 28: Immigration systems remained out of order for over an hour on Wednesday following power generators developed some fault at the Allama Iqbal International Airport.

The passengers faced inconvenience owing to the systems failure.

Officials said the generators developed a fault because of extensive use during prolonged outages. The fault was removed by technicians after an hour. The officials said only one PIA flight, bound for Dubai, got delayed because of the glitch.