Johannesburg, Dec. 14 -- South Africa has engaged with the embassies of the Group of 20 (G20) countries following its exclusion from G20-related activities by the United States,according to South African International Relations and Cooperation Minister Ronald Lamola.

In an interview with the South African Broadcasting Corporation on Saturday, Lamola said South Africa will not attend next year's G20 summit in Miami, the United States, unless it receives a formal invitation from Washington.

He stressed, however, that Pretoria will not call for a boycott of the summit even if it is excluded. The minister said the United States had taken unilateral decisions this year on a range of issues, including trade, and had withdrawn from several multi...