Europe is battered by a fourth Covid wave, with Germany considering mandatory vaccines. Although the World Health Organization says jabs alone won't keep people safe. Unrest and looting grips the French Caribbean territory of Guadeloupe, over tough new Covid restrictions fueling local hostility to the authorities in Paris. Politicians clash with eco activists in Canada, after a leading campaigner warns that oil pipelines could be blown up, if the government doesn't take action on climate change.