The high street fashion giant River Island partners with Klarna, AI-powered payments network and shopping assistant, to bring holiday vibes to the city with a seaside themed pop-up and free ice cream. There will be complimentary ice cream, loads of River Island prizes, goodie bags (for the first 30 people in the queue), Klarna candy rock sweets, and a 15% in-store discount when signing up for the River Island newsletter. Guests can…