South China Morning Post
https://www.scmp.com/news/hong-kong/transport/article/3272175/early-birds-head-hong-kong-rail-stations-avoid-delays-amid-upgrade-works-4-stops
MTR Corp expects all services to resume on Kwun Tong line early Monday
MTR Corporation races to complete unprecedented equipment upgrades at Prince Edward, Mong Kok, Yau Ma Tei and Ho Man Tin stations in 28 hours.