Five men will appear in court today charged in connection with a smash and grab raid on Selfridges in June.
Jewellery and watches were stolen from the Oxford Street store.
Today's hearing comes after officers carried out dawn raids on eight addresses in Islington yesterday.
The arrests are also linked to a robbery in Berkshire in April.
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A 24-year-old man has been arrested on suspicion of murder after the body washed up on the Thames shoreline.
Seven people have now been arrested after a man died from serious head injuries
The 38-year-old officer was on his way home from a night shift when he collapsed. His death is not being treated as suspicious.