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 in the United States precedents which made it easier to control distributors such as pharmacies; state and local boards of health or boards of pharmacy often took the place of regulatory bodies for controlling the distribution of cocaine. Some states took the position of outright banning of all forms of cocaine sale; Georgia was the first to do this in 1902. A New Orleans ordinance banned cocaine sales as well but left an ill-defined exception for therapeutic uses. A more common requirement was to restrict the sale of cocaine or impose labeling requirements. A 1907 California law limiting sale of cocaine to only those