The Special Tactical Contingent (STC; Chinese: 特別戰術小隊), nicknamed the "Raptors" (Chinese: 速龍小隊), commonly known as the Special Tactical Squad (STS), is a specialist riot contingent of the Hong Kong Police Force under the command of the Police Tactical Unit (PTU). It was created in September 2014 in response to Occupy Movement protests with its main tasks being crowd control and riot control, including when the PTU suffered from heavy blockade or obstruction. Examples were obstacle removal, conducting arrests, providing first aid, etc.