London terror attack: SAS 'Blue Thunder' unit 'lands in London

Elite unit established after 2015 Paris attacks 

London attack: Blue Thunder SAS unit explained - MyLondon

Photos: London terrorist attacks, Saturday, June 3, 2017

What is Blue Thunder? SAS crack troops dropped on London Bridge terror scene by super-nimble helicopters - Mirror Online

London Bridge attack: Who are elite SAS unit Blue Thunder? - Surrey Live

Elite SAS unit 'Blue Thunder' are deployed for first time after London terror attack - Mirror Online

Unmarked SAS helicopters ready to terminate terrorists in minutes

Secret SAS patrols on UK high streets over fears of Xmas shoppers terror attack - Daily Star

About That Blue Thunder Counter-Terror Chopper That Landed On London Bridge

SAS 'Blue Thunder' unit lands helicopter on London Bridge