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 border with the United States. In Argentina, cocaine paste used to go for about 30 cents (in USD) a dose, enough for a powerful two-minute high. However, its price has increased because of higher demand, among other causes. Crude cocaine preparation intermediates are marketed as cheaper alternatives to pure cocaine to local markets while the more expensive end product is exported to US and European markets. Freebase cocaine paste preparations can be smoked. The psychological and physiological effects of the "paco" are quite severe. Media usually report that it is extremely toxic and addictive. According to a study by Intercambios,