BBC: Hundreds of people have gathered in kayaks and small boats for a protest in the north-western US port city of Seattle against oil drilling in the Arctic by the Shell energy giant.
Paddle in Seattle is being held by activists who say the firm's drilling will damage the environment.
It comes after the first of Shell's two massive oil rigs arrived at the port.
The firm wants to move them in the summer to explore for oil off Alaska's northern coast.
Earlier this week, Shell won conditional...