11/04/2012 09:23 BST

Ken Livingstone, Hillary Clinton And Vladimir Putin: When Politicians Cry (VIDEO)

Ken Livingstone has attracted much mockery - and support - after he appeared to tear up during the launch of his campaign to become London Mayor.

The Labour candidate put his emotional outburst down to the "responsibility" of the office he sought.

While it is rare for politicians to publicly blub, it is not unheard of. And in that spirit we have, inevitably, collected a few prime examples of politicians getting a bit weepy.