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The explosion tore through the lobby of the Marriott Hotel in Jakarta

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Flames and black clouds billowed from the blazing cars and debris at the front of the hotel

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A cafe is reported to have borne the brunt of the blast, which police say was caused by a car bomb

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At least 10 people died in the explosion, with more than 80 reported injured

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The bomb went off at lunchtime, when business people were meeting at the five-star hotel

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The US-run hotel is next to a building which houses the embassies of Norway, Sweden, Finland and Denmark

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The Indonesian Defence Minister Matori Abdul said the bomb was 'clearly an act of terrorism'

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Security has been tight in Indonesia since the devastating Bali bombing last October