 Complete the following phrase:  On Sunday night, 28 September 2014, the scenes in Central and Admiralty became more dramatic, as the police employed tear gas, pepper spray, and batons in their attempts to disperse the protesters. The use of tear gas was a significant move in Hong Kong, as it had not been used in the SAR since 2005 and, on that occasion, in the highly exceptional situation of quelling violent Korean farmers bent on disrupting a 