Greenpeace head held in oil rig protest

The global head of Greenpeace has been arrested after scaling an Arctic rig operated by oil firm Cairn Energy.

International executive director Kumi Naidoo was arrested along with another campaigner after boarding the Leiv Eiriksson rig off Greenland.

The arrests followed an injunction issued last week by a Dutch court, barring Greenpeace activists from approaching the drilling vessel.

Cairn Energy won the injunction after several similar occupations.

Under the terms of the court order, Greenpeace faces a penalty of 50,000 euros (