Thai police in riot gear
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Deaths as protesters clash with riot police in Bangkok

18 February 2014 Last updated at 10:48 GMT

Three people have been killed and dozens injured in violence that erupted as Thai police began clearing protest sites in the capital, Bangkok.

Police are trying to retake official buildings and sites that have been blocked by protesters who are calling on the government to step down.

The BBC's Jonathan Head in Bangkok said that the situation now appeared calmer, but that at one point earlier in the day a grenade was thrown at police lines.