The Transport Department announced at 1:32 PM that due to signal equipment failure near the Tsing Yi Depot, services on the Airport Express and Sha Tin Line were affected. About half an hour later, the Transport Department received another notification from MTR that the issue had been resolved, and train services would gradually return to normal. <<SPLIT>> The failure occurred near the Tsing Yi Depot and caused disruptions to train services on the Airport Express and Sha Tin Line. The news comes after a series of signal equipment malfunctions that have periodically affected transportation in the Greater Bay Area. <<SPLIT>> These incidents reflect the ongoing challenges faced by the MTR network in maintaining reliable services, despite efforts to modernize and improve the infrastructure.