Wheat prices have hit record levels as supplies dwindle, raising concerns about growing food inflation.

Chicago Board of Trade (CBOT) wheat for delivery in March rose the maximum 90 cents allowed to $11.99 a bushel in electronic trading in Asia.

High-protein spring wheat on the Minneapolis Grain Exchange rose by almost 25% to record levels on Monday.

Kazakhstan has become the latest country to put export restrictions on wheat as it battles against inflation.

Russia and Argentina have already imposed similar export restrictions.

Weather worries

The 25% rise in Minneapolis on Monday came after all trading restrictions were scrapped.

The March futures contract closed at up $4.75 at $24 a bushel, the record price for any US wheat contract.

The price of spring wheat has more than doubled since January.

Reports of a drought in Northern China, where most of the country's wheat is grown, also pushed prices higher.

Extreme weather has already damaged crops in other parts of the world and US wheat inventories are expected to fall to their lowest level for 60 years.

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