Police in Thailand say there are investigating a suspect seen on CCTV footage at the Erawan Hindu shrine which was bombed on Monday.
At least 21 people are known to have been killed in the bombing in the capital, Bangkok.
Thailand's Prime Minister Prayuth Chan-ocha says it was the worst attack in the country's history.
Journalist Michael Sainsbury is in Bangkok - he says some security officials are beginning to suggest it could have been a politically motivated attack.
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Journalist Michael Sainsbury is in Bangkok - he says it's already having a short term impact on the city's tourism industry.
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