By Gillman, Susanna A proposal for the tallest building in the City of London was given the go-ahead this week, although mayor Ken Livingstone could still direct refusal over developer contributions to transport.

LONDON (Reuters) - People were seen streaming out of a London underground station covered with blood on Thursday following what police described as a "major incident." Similar scenes were reported by witnesses outside other stations in the capital.

Police were staging a chemical weapons attack Sunday on the London Underground, decontaminating scores of "casualties" on streets in the center of the capital before ferrying them to a nearby hospital.

Police were staging a chemical weapons attack Sunday on the London Underground, decontaminating scores of "casualties" on streets in the center of the capital before ferrying them to a nearby hospital.

Police staged a chemical weapons attack on the London Underground on Sunday, simulating a terror strike underneath the heart of the financial district near the mayor's residence.