By Sam Elliott-Gibbs Louis Walsh took down a third victim on a brutal day of savage attacks after setting his sights on fellow Irishman Ronan Keating. He randomly went on in the Boyzone star as he chatted to Colson Smith in the garden earlier. In the Late & Live clip shown after tonight’s latest episode, the Corrie star said: “Ronan has been the most successful star from Boyzone…” before being cut off by their former manager, who said: “Then? Nothing.” “I met him in the Four Seasons. He said ‘maaaaan’ – he had done all American by that point, I think he met George Michael or something. He sa…