Asian stocks have fallen on Friday, with some indexes driving towards their worst weekly losses since 2008.

本周亚洲股市呈下跌趋势，某些指数达到2008年以来最低值。

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Worries about a global recession have intensified after warnings from the IMF and World Bank
The Group of 20 nations said they were ready to preserve stability in the financial markets.

But South Korea's main Kospi index still lost 4.7%, while Australia's ASX shed 1.2%.

The declines were first triggered by warnings from the International Monetary² Fund and World Bank about the strength of the global economy.

Asian shares were following losses on Thursday in the US and Europe where main indexes lost about 5%.

A number of gloomy comments about global growth combined to sour market sentiment.

On Thursday, Christine Lagarde, head of the International Monetary Fund (IMF), said that the economic situation was entering a "dangerous place".

Robert Zoellick, the World Bank President, said separately that he thought the world was in a "danger zone".

Market moves

These comments, along with weak economic data out of China, sent Taiwan's main index sliding by 3.5% and Hong Kong's down almost 2%.

Japan's Nikkei index is closed for a holiday.

Commodity markets also took a hit, with copper³ sinking 7.5% and Brent crude oil futures⁴ posting their biggest single-day loss in six weeks.

Global miners were among the biggest losers on concerns about slowing demand for minerals.

Rio Tinto fell 3.3%, after losing 10.8% in London trade, and BHP Billiton lost 2.3% after falling 8.3% overnight.

"Anything sort of leveraged⁵ to the global growth story is being sold off hard because people are questioning whether or not we are going to see a global recession," said Cameron Peacock from IG markets.