On 7 July 2005 a defective train on the Northern line (causing its subsequent suspension) saved a Northern line train from being blown up as part of a terrorist attack on the London Underground and bus systems.
Den 7. juli 2005 reddede et defekt tog på Northern line (medførende en efterfølgende lukning) et andet Northern line-tog fra at blive spruget i luften, som en del af et terrorangreb på Londons Underground- og bussystemer.