Christie's and Sotheby's make record auction sales - in pictures

Barnett Newman’s Onement VI, which sold for $43.8m at Sotheby's Contemporary Art sale after competition among five bidders. The price eclipses Newman’s previous auction record by a margin of more than $20m
• The picture caption was corrected on 22 May 2014 because the original said this piece was sold at Sotheby's Impressionist and Modern Art sale. Photograph: Emmanuel Dunand/AFP/Getty Images

Domplatz, Mailand by Gerhard Richter sold for $37.1m at at Sotheby's - a record both for Richter and for any living artist at auction Photograph: Lefteris Pitarakis/AP

Richter's Domplatz, Mailand next to Francis Bacon's Study for Portrait of PL Photograph: Mike Segar/Reuters

The highest selling piece was Jackson Pollock's Number 19, which fetched $58.3 million at the Christie's Post-War and Contemporary Art auction Photograph: AP

Jean-Michel Basquiat's Dustyheads is displayed at Christie's Post-War and Contemporary Art auction. It fetched $48.8m Photograph: Peter Foley/EPA

Roy Lichtenstein's Woman with Flower Hat sold for $56.1m, a world auction record for the artist Photograph: Peter Foley/EPA

Andy Warhol's Self-Portrait is sold for $5.2m Photograph: Peter Foley/EPA