Here’s what we’ve learned this weekend whilst you’ve been slapping on that Factor 15: Now that that annual backstabbing fest otherwise known as Big Brother is underway, the knives are out for Croydoner Alexandra, who is apparently dating a man accused of murder. Yesterday’s anti-knife and gun rally was understandably well-attended… …even if a debate on the issue in the Commons shamefully wasn’t. A huge fire in South London left thousands without power overnight......