Christmas day celebrations in Hong Kong were marred by protests as demonstrators waded the roads and to disperse them, police resorted to tear gas and pepper spray.According to the South China Morning Post, anti-government protestors hit the streets of Hong Kong and gathered in shopping centres. Riot police were deployed at various hot spots.As the number of protesters increased, the police pepper-sprayed and personnel tried subduing protestors using forces.Riot police retreating to their vans as hundreds of protesters advanced towards them in Mong Kok's Shanghai Street fired two rounds of tear gas at them at around 6:30 pm without raising any warning flag.The city's embattled leader, Chief Executive Carrie Lam Cheng Yuet-ngor, called the protestors "a group of reckless and selfish rioters".Such illegal acts have not only dampened the festive mood but also adversely affected local businesses," she said in a Facebook post. "The government will try its utmost to uphold law and order, ...