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Thai protests: 'Tense atmosphere' after Bangkok attacks

19 January 2014 Last updated at 12:19 GMT

Attackers have thrown explosives at anti-government protesters in Bangkok, injuring at least 28 people.

The explosions hit activists who are aiming to shut down Thailand's capital and force the government to quit.

Jonathan Head in Bangkok says no-one knows who was responsible for the attacks but that they have increased tension in the area.

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