Moscow hands back two gunboats and a tug confiscated last year off the Crimean Peninsula.
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Ghost nets kill huge numbers of marine animals every year, but new tech might help prevent that.
The Stena Impero was seized by Iranian troops in July, who said it was breaking maritime rules.
Nearby schools in Norway's port city of Tromso have been evacuated as the smoke poses a health risk.
The Marine Stewardship Council says fish stocks are now below the "safe biological level".
Labour wants MPs to return to Parliament to scrutinise the government's plans for no-deal.
The Yellowhammer plan warns of riots and food price rises but ministers say it is not a prediction.
A massive environmental monitoring unit on the seabed vanishes, baffling German experts.
Cristiano Ronaldo suggests dinner with Lionel Messi, while Eric Cantona quotes Shakespeare in bizarre Uefa awards speech.
Teenagers involved in the incident at Machaire Rabhartaigh were attending an Irish college.