Jean-Michel Basquiat's 1985 "Self-Portrait" (est. $3.3-5 million) leads the evening sale at Phillips in London, amon many other works.

To mark summer solstice, Google Doodle has teamed up with Takashi Murakami for two part illustration series.

Twelve British artists, including Tracey Emin and Chris Ofili, have been chosen to design posters for the 2012 Olympics.