Filming emergency scenes as a bystander: a tortious duty for those who do not assist victims?

In light of the recent London terror attacks in which bystanders filming the incident both hindered and assisted police, debate has raged as to whether this type of conduct at emergency situations should be seen as acceptable – particularly as nearly every individual now carries a device capable of recording such scenes and uploading them … More Filming emergency scenes as a bystander: a tortious duty for those who do not assist victims?