Echo - that's horrific, I can't believe people were actually urging that poor distressed woman to end her life just so they could get to wherever it is they were going a bit faster talk about needing to get one's priorities in order.
Vladd - I know there's scammers out there trying to take advantage of people's generosity, but in London there doesn't seem to be much generosity going 'round in the first place. Sadly, it doesn't take much convincing that people were ignoring and laughing at her; both here and in Milan I've grown used to the utter disregard of 90+% of people for the welfare of others. I could offer countless first-hand examples, consider the following.
Back in Italy I once fell down half a flight of underground steps onto the platform. I couldn't move, let alone get up; I was lying flat, clutching my ankle, crying my eyes out [an ambulance later revealed a dislocation, I needed to borrow a wheelchair from A&E to get home], yet the only people who eventually stopped and struggled to get me to my feet were a middle-aged nun and an elderly couple. Literally hundreds of perfectly able-bodied students and city workers just looked past me and went on their ways.