France has declared three days of national mourning following last night's Nice attack.
Ten children were among at least 84 people killed when a lorry ploughed into crowds celebrating Bastille Day along the seafront. Witnesses say the driver swerved from side to side to target as many people as possible.
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The man - believed to be a 31 year old French-Tunisian with a criminal record - was shot dead by police.
The Department of Foreign Affairs says there's concerns over the welfare of one Irish citizen.
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French Ambassador to Ireland Jean Pierre Thébault says there is no possible justification for what happened in Nice last night:
