A technical fault in the interconnection between Hong Kong’s two power providers caused a brief voltage dip on Thursday, resulting in around 90 reports of people trapped in lifts within a 30-minute window.The Fire Services Department said it received about 90 reports of lift entrapments on Hong Kong Island between 9.23am and 9.53am, across various districts.HK Electric said a fault in the interconnection circuit between its network and CLP Power’s led to a momentary voltage dip.“The voltage...