UK one is good one, I didnt know about!
http://www.ukba.homeoffice.gov.uk/sitecontent/documents/policyandlaw/carriers/ukvisarequirements.pdf
Transiting without a visa is a concession. This concession does not apply to nationals of the countries shown in red above. Nationals of these countries need visas, even when in direct airside transit, unless they are in possession of one of the following documents:
a) a valid visa for entry to Australia, Canada, New Zealand or the United States of America and a valid airline ticket for travel via the United Kingdom as part of a journey from another country
or territory to the country in respect of which the visa is held;
b) a valid visa for entry to Australia, Canada, New Zealand or the United States of America and a valid airline ticket for travel via the United Kingdom as part of a journey from the country in
respect of which the visa is held to another country or territory;
c) a valid airline ticket for travel via the United Kingdom as part of a journey from Australia, Canada, New Zealand or the United States of America to another country or territory, provided that the transit passenger does not seek to transit the United Kingdom on a date more than six months from the date on which he last entered Australia, Canada,New Zealand or the United States of America with a valid visa for entry to that country;
d) a valid USA I-551 Permanent Resident Card issued on or after 21 April 1998; or an expired USA i-551 Permanent Resident Card issued on or after 21 April 1998 provided accompanied by a valid I-797 letter authorising the extension, issued by the Bureau of Citizenship; or a stand alone US Immigration visa Form 155A / 155B (attached to a sealed brown envelope);
e) a valid Canadian Permanent Resident Card issued on or after 28 June 2002;
f) a valid common format Category D visa for entry to an EEA state or Switzerland;
g) a valid common format residence permit issued by an EEA State or Switzerland pursuant to Council Regulation (EC) No. 1030/2002.