An anti-terrorism drill was held at the Hong Kong Police College to celebrate the 175th anniversary of the Hong Kong Police Force on Saturday, January 12, 2019. (Photo: VCG)

An anti-terrorism drill was held at the Hong Kong Police College to celebrate the 175th anniversary of the Hong Kong Police Force on Saturday, January 12, 2019.

Local residents visit the Hong Kong Police College where an anti-terrorism drill was held to celebrate the 175th anniversary of the Hong Kong Police Force on Saturday, January 12, 2019.

Local residents visit the Hong Kong Police College where an anti-terrorism drill was held to celebrate the 175th anniversary of the Hong Kong Police Force on Saturday, January 12, 2019.