Everything you need to know ahead of the Stockholm Diamond League, with Team GB stars including Keely Hodgkinson and Jake Wightman running in the 800m Inside Sport newsletter: Get an expert guide to the biggest moments shaping the world of sport Get our free Inside Sport newsletter Get our free Inside Sport newsletter Email * SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our Privacy notice The Stockholm Diamond League quickly follows an action-