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The attacks in Tashkent and Bukhara have prompted a massive security operation.

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The incidents began on Sunday, when an explosion in Bukhara demolished a house alleged to be a bomb-making factory.

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There were several explosions on Monday in Tashkent's busy Chorsu market, said to be the work of female suicide bombers.

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A group of alleged militants died in a house in north-east Tashkent after a gunbattle with police.

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Local people watched the fighting.

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Residents gathered in another part of the city after hearing reports of a hostage-taking.

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Special police waited at the scene, but the hostage-taker eventually blew himself up.

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Police are out in force after the attacks.

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Checks on vehicles are now widespread in the capital.