The court heard that in several of the attacks one of the gang gained entry to the targeted shops purporting to be a customer. He then held the door open for his hammer and axe wielding accomplices who proceeded to smash the display cabinets and fill their bags with jewellery.
More top news
Philip Spence bludgeoned the three sisters from the United Arab Emirates in the four-star Cumberland Hotel - leaving them for dead.
A rare dog has been stolen by a man in Surrey who was pretending to want to buy it.
Two people are dead another person is in hospital after London and the South East was battered by the fallout from Hurricane Gonzalo.