Chief Executive Carrie Lam of the Hong Kong Special Administrative Region holds a press conference on the recent protests in the region. The protests escalated on Sunday as some radical protesters hurled bricks and petrol bombs at the police outside Yeung Uk Road Market in Tsuen Wan. They also set up barricades to confront the police and aimed potentially dangerous light beams at them. At least 21 policemen were injured and 86 protesters were arrested over the weekend.