CCTV footage from the Brent Cross shopping centre in north London shows a six-strong gang of jewellery thieves arriving on motorbikes to raid a Fraser Hart store. Three of the robbers are seen entering the jewellery store while three other wield axes and bats guarding the entrance
* Anyone with information is asked to contact the Flying Squad on 020 8358 1751 or Crimestoppers anonymously on 0800 555 111
