LONDON, 2016-Feb-18 — /EPR Retail News/ — Daredevil TV presenter Kirsty Gallacher stunned onlookers as she launched the official Sport Relief merchandise, available exclusively from Sainsbury’s, by running across London’s iconic Serpentine Lake, sporting the new Sport Relief t-shirt. Kirsty took part in the challenge to encourage the Great British public to get involved in this year’s…