Rising debt levels and global inflation, partly resulting from high energy costs due to the Iran war, have pushed interest rates to multidecade highs, adding to the burdens of the world's poorest nations The US and other wealthy countries can't grow their way out of mounting public debt, the IMF's boss warns, telling governments to get their spending in order. Key points and original sources are listed below.

• Rising debt levels and global inflation, partly resulting from high energy costs due to the Iran war, have pushed interest rates to multidecade highs, adding to the burdens of the world's poorest nationsS1

• The US and other wealthy countries can't grow their way out of mounting public debt, the IMF's boss warns, telling governments to get their spending in order.S2

• The head of the International Monetary Fund says the United States and other wealthy nations need to urgently tackle mounting global debt levels that are weighing heaviest on low-income countries.S3