Disputes - international: Libya claims about 25,000 sq km in a currently dormant dispute; much of Benin-Niger boundary, including tripoint with Nigeria, remains undemarcated, and states expect a ruling in 2005 from the ICJ over the disputed Niger and Mekrou River islands; only Nigeria and Cameroon have heeded the Lake Chad Commission's admonition to ratify the delimitation treaty which also includes Chad and Niger