NEW : ( CNN ) -- Renegade soldiers walk through the presidential palace , after their leaders claim coup . NEW : A U.N. official says it `` could pose great difficulties '' in Mali 's fight against insurgents . New : The Red Cross is ready to help and about 38 people are hurt , surgeons tell an aid worker .
NEW : Renegade soldiers walk through the presidential palace , after their leaders claim coup . NEW : A U.N. official says it `` could pose great difficulties '' in Mali 's fight against insurgents . New : The Red Cross is ready to help and about 38 people are hurt , surgeons tell an aid worker .