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
Two fathers from different parts of London both lost their sons in senseless acts of violence.
TUC research shows that average costs of childcare are outpacing wage growth.
A "weather bomb" is set to bring heavy wind and rain to the UK over the weekend.