 Police in France have fired tear gas to disperse environmental activists who attempted to block roads near the commercial port of La Rochelle. The protesters are opposed to the building of large reservoirs in the region. They say the megabasins promote unsustainable, water-intensive farming methods. A hardline Ukrainian nationalist party has blamed Russia for killing one of its prominent members. Irina Faryan was shot while walking through a street in the western city of Lviv on Friday evening. Here's Paul Moss.