U.S. Treasury Secretary Yellen to meet with top finance ministers to address global food crisis
By Thomas Franck
Delegate protests over Russia to upstage G20 meeting
By Andrea Shalal-Esa & David Lawder
War in Ukraine: Yellen Leads G-20 Walkout When Russian Officials Speak
By Christopher Condon, Daryna Krasnolutska & Eric Martin
G20 = G10 + G10: India and US diverge on Russia again
By Chidanand Rajghatta
US, UK and Canada walk out of G20 meeting over war in Ukraine
By Richard Partington