At least 15 high-speed cross-border train services were delayed after a signalling fault prompted a 45-minute disruption of northbound services in Hong Kong on Sunday morning. The Transport Department said at around 8.30am that the MTR Corporation had notified authorities that high-speed rail services would be delayed due to a “signal fault”. At around 9.15am, the department said the MTR had resolved the signal issues, and high-speed rail services were gradually resuming normally. It said...