This article was first published on January 25, 2016 By Naomi Ng and Ernest Kao The city’s coldest weather in nearly six decades was expected to continue into today, prompting a suspension of primary schools and pleas from officials urging the public to avoid hiking the highest local peaks, where sub-zero temperatures left roads frozen and dangerous. Minimum temperatures at the Observatory in Tsim Sha Tsui dropped to just 3.1 degrees Celsius yesterday, the lowest reading since 1957 and the...