The BBC has uncovered a black market in highly polluting greenhouse gases being smuggled into the UK.
By Nick Thorpe
BBC News Eastern Europe correspondent
Here's a look at some of the stories you may have missed this week.
Human rights groups allege that thousands of people seeking asylum in Europe have been pushed back from Greece to Turkey before being given a chance to apply for asylum.
Klaudia Kis and Richard Varga made the chance encounter while kayaking up the Danube river.
A Storyville documentary. The tragic outcome of a nightclub fire in Bucharest in 2015 triggers an investigation into corruption in Romania's healthcare system.
By Steve Holden
Newsbeat music reporter in Rotterdam
By Paul Kirby
Three elderly Covid patients have died in Romania after a malfunction in a mobile intensive care unit’s oxygen supply. The ventilators stopped working because oxygen levels rose too high, officials in Bucharest said.
Belgian prosecutors have launched an investigation into threats made against virologist Marc van Ranst,who fronts Belgium’s anti-Covid campaign. Mr van Ranst says he’s fed up with constant death threats – the latest is allegedly from a dance manager. The virologist has had to have police protection for months.
Italian rugby will today pay its final respects to Massimo Cuttitta, a national rugby hero who played 70 times for his country and has died of Covid aged 54, days after his mother.
Cuttitta also played in England for Harlequins. His twin brother said Massimo had recently come back to Italy to spend more time with his mother after his father died.
Ireland has become the latest European country to limit the use of the Oxford-AstraZeneca drug to over 60s. Extremely rare blood clots have been linked to the drug but the EU’s medical regulator say the benefits outweigh any risk.
French Prime Minister Jean Castex is expected to tell parliament today that regional elections will take place on two weekends running in the second half of June. The government asked 35,000 local mayors what they thought and most of them agreed they should go ahead.
The German government is set to agree changes to the country’s infections control law that hand more powers to the central government. Berlin has struggled to implement Covid measures on the 16 states and this change would enable imposing curfews and school closures.