The explosion in the Cathedral Quarter of Belfast occurred as officers were clearing the area after receiving a telephoned bomb warning, UTV has reported.
The warning was phoned into the Irish News at around 6pm before the bomb partially exploded just before 7pm in the Exchange Street West area.
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Friday will be largely dry with a mixture of cloud and some sunny spells, the best of these in the morning.
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The Cancer Drugs Fund, which cost £1.27 billion, didn't deliver "meaningful value" to patients - and even put some at risk of side effects.