Brent Cross Smash and Grab
6 November 2012, 16:25 | Updated: 8 November 2012, 09:35
The Met Police Flying Squad has released CCTV footage of a 'smash and grab' robbery at Brent Cross shopping centre.
Six people on three motorbikes armed with axes and bats targeted Fraser Hart jewellers on Tuesday morning taking watches and jewellery.
No one was hurt but an elderley man has been treated for shock.
No arrests have been made.
Police are appealing for help to catch them.