South Africa’s central bank governor, Lesetja Kganyago, arrives to deliver a keynote address on monetary policy, growth and jobs at the University of the Witwatersrand in Johannesburg, South Africa, November 1, 2022. REUTERS/Siphiwe Sibeko

PRETORIA, May 28 (Reuters) – South Africa’s central bank raised its main lending rate for the first time in three years on Thursday, joining only a handful of other emerging market central banks to have tightened policy during the Iran war.

The South…