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.<br /><br />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.<br /><br />Al Jazeera's Rhodri Davies reports.<br /><br />Watch live at http://www.youtube.com/aljazeeraenglish
