Russia's finance minister has made a surprise appearance at the G20, while some US journalists have been denied access to the international economic forum. US irks G20 ministers by inviting Russia, barring some journalists Key points and original sources are listed below.

• Russia's finance minister has made a surprise appearance at the G20, while some US journalists have been denied access to the international economic forum.S1

• US irks G20 ministers by inviting Russia, barring some journalistsS2