Bad weather preventing clean up amid fears for endangered sea lions.

Leading oil producer Rosneft burns spilled oil to 'minimise ecological damage'.

Free lunch: Locals brought buckets to collect the surprise bounty of fish on beaches on the Tatar Strait.

So far 60 birds saved but they are so thickly covered in oil they cannot fly or swim.

Natural causes, or linked to oil and gas exploitation?

An illegal fish processing plant was raided by police on Sakhalin Island, with 11 residents arrested.

Sea creature known to be the first warm-blooded fish weighed more than a ton. 

Investigators find one billion roubles in currency and expensive jewellery, including a diamond-encrusted pen, as official faces corruption charge.

FSB federal security agents part of search team as government cracks down on corruption and abuse of power within senior ranks.

Three killer whales and baby 'knew we were trying to save them, and were not aggressive'.