Interesting reading re football stadiums as possible targets. Plots involved one Britain and one in the Netherlands. Also a recent story focusing on stepping up security here in the U.S.
British football stadium target of bomb attack
http://www.dailytimes.com.pk/default.asp?page=story_21-4-2004_pg7_47
Security at Mississippi stadiums evaluated
http://www.thedmonline.com/vnews/display.v/ART/2005/06/06/42a5804b31a65?in_archive=1
Terror plot trial opens
http://www2.rnw.nl/rnw/en/currentaffairs/region/netherlands/dut050224
But, but, haven't they read the memo? It's a lone suicide case!