This was potassium (or sodium cyanide). But:
- the accident was not from a mine; it was from a lake that contained wastes.
- the plant was under Australian administration.
- Hungary had some problems with the pollution of rivers but these effects were immensely exaggerated and falsified for political and national reasons.
D-E-A- - 2008 Deadly Chase 1-2 was released on: USA: 9 April 2008 Hungary: 16 May 2009
On Deadly Ground was released on 02/18/1994.
Deadly Intentions--- Again - 1991 TV was released on: USA: 11 February 1991 Japan: 5 June 1992 (video premiere) Hungary: 18 September 1997 (video premiere)
cyinide
Deadly Voyage - 1996 TV was released on: USA: 15 June 1996 UK: 12 October 1996 Hungary: 2 July 1997 (video premiere) Japan: 26 December 1997 (video premiere)
b a chemical
Deadly Betrayal - 2003 TV was released on: Canada: 13 March 2003 (limited) USA: 25 November 2003 Sweden: 2 July 2006 Hungary: 28 May 2009 Belgium: 11 October 2009
Blood Ties - 2006 Deadly Departed 1-5 was released on: USA: 1 April 2007 UK: 13 September 2007 Hungary: 3 February 2008 Japan: 21 January 2009
Hex - 2004 Seven Deadly Sins 2-12 was released on: UK: 11 December 2005 USA: 14 July 2007 Hungary: 5 November 2007 Belgium: 19 July 2008
They're effective and deadly.
A Deadly Encounter - 2004 TV was released on: USA: 6 September 2004 France: 21 June 2005 Germany: 16 July 2007 Hungary: 3 April 2008 Sweden: 13 February 2011 Spain: 16 June 2013
The Deadly Mantis - 1966 was released on: USA: 1966