Blue Peter stretch of track which, on 3 July 1938, saw the world speed record for steam locomotives of set by LNER A4 Locomotive no. 4468 "Mallard". In October 1998, Richard Bacon was sacked, following reports in "News of the World" that he had taken cocaine. This incident followed shortly after the show's 40th anniversary, when previous presenters returned for a special programme. Those returning included Leila Williams, Valerie Singleton, John Noakes, Peter Purves, Diane Louise Jordan, Anthea Turner, John Leslie, Tim Vincent, Yvette Fielding, Caron Keating, Mark Curry, Janet Ellis, Peter Duncan, Sarah Greene, Tina Heath, Simon Groome and Christopher Wenner.
Cocaine paste media appear to exaggerate the effects of "paco". These stereotypes create a sense that nothing can be done to help a "paco" addict and thus stands in the way of rehabilitation programs. Basuco ("bazooka") is the term used for cocaine paste in Colombia, the world's second biggest cocaine producer after Peru. Basuco is derived from the Spanish word for trash (basura), literally meaning "little dirty trash" (of cocaine), referring to the paste left at the bottom of a barrel after cocaine production. Basuco is mostly smoked, either rolled like a cigarette with tobacco or cannabis, or more commonly from selfmade