One witness said he saw ‘a man flee on a motorbike.’ A bladed weapon was abandoned at the scene. Police has not given any details about the dead woman, other than she was “in her 60s.” There is a heavy police presence in the area and the initial cordon around the crime scene has been extended. Additional police patrols will be in place in London. Terrorism remains a line of inquiry o be investigated. Counterterrorism police participates in the investigation. The officials said one injured victim appears to be American, others were heard speaking in Spanish.. The incident comes just hours after authorities announced London would increase its presence of armed police after recent terror attacks in Europe.