Speaking to the Evening Standard, friends of the two men said they went to church every week, and were in the wrong place at the wrong time.
They were funny, kind, bubbly, outgoing and very charismatic. They had hearts of gold and always had big smiles.
If you needed something because you didn't have any money or whatever they would always help you out. It's such a shock. We have no idea who would want to do this.
More top news
If you've been anywhere near Trafalgar Square today you'll notice something different.
Look closely at this collection of images by photographer Jim Grover and you'll notice there's something missing.
Sir Bernard Hogan-Howe's decision to retire comes after growing speculation about his future and his relationship with mayor Sadiq Khan.