- You may be looking for the railway station of a similar name.
Euston Square was a tube station on the Circle line. According to a map that Corporal Blake and Craftsman Stephen Weams monitored during the so-called "London Event", it had just fallen to the Yetis when the two British Army soldiers looked at the map. Its demise was indicated by a flashing light next to the station name. (AUDIO: The Web of Fear)