Liberia has closed a border-crossing with Ivory Coast, but did not confirm a claim by Abidjan that gunmen, who killed seven United Nations peacekeepers along with eight civilians and a soldier, had come from its territory.

Lewis Browne, Liberia's information minister, told reporters in the capital, Monrovia, that investigations were still on-going to determine where the attack came from.

Al Jazeera's Rhodri Davies reports.

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