A police forensic officer walks by a sign where a man was shot dead by police on London Bridge following an incident in London, Friday, Nov. 29, 2019. British police shot a man on London Bridge in the heart of Britain’s capital on Friday after a stabbing that left several people wounded. The Metropolitan Police force said the circumstances were still unclear, but "as a precaution, we are currently responding to this incident as though it is terror-related." (AP Photo/Matt Dunham)