The Christophe de Margerie-led oil giant has avoidedanswering questions on its controversial exploration plans offshore even as onevessel connected with its activities has been photographed at a local port.

Western Sahara, or the Sahrawi Arab Democratic Republic(SADR), is a former Spanish colony bordered by ­Morocco, Algeria and Mauritaniathat was annexed by Morocco but is demanding self-determination.

Total secured the Anzarane offshore ­reconnaissance contractlast year but this expired on 6 December.