Hong Kong protests: police warn of legal action after district councillor Lester Shum calls for revenge over death of student Chow Tsz-lok

• Tsuen Wan district councillor Shum wrote on Facebook that police had ‘murdered’ the 22-year-old, who died after falling off a car park last November
• Chief Superintendent Kenneth Kwok of police public relations branch says the allegation is slanderous and a fabrication