Russian's state nuclear company says five people were killed in Thursday's rocket explosion on a naval test range.
A statement from Rosatom said three people were also injured in the incident.
They say the staff members suffered serious burns in the accident, which has been shrouded by mystery.
On Friday Russian government sources said two people died and six were injured in the Nyonoksa blast.
Rescuers search for 130 people after Indonesia passenger ship sinks; six dead
Indonesian rescuers were searching on Sunday for 130 people from a passenger ship that sank in the Java Sea after 113 others were evacuated, the country's search and rescue agency said, adding that six people had died.
Russian drone attack injures five in Ukraine's Odesa, officials say
At least five people were wounded in a Russian attack on the Ukrainian city of Odesa on Sunday morning, officials said, a day after strikes on the city killed two people.
Philippine ferry fire victims may take months to identify, authorities say
Authorities in the Philippines said on Sunday it could take weeks or months to identify the victims of a ferry fire that killed 76 people, as forensic experts begin collecting and comparing DNA samples and investigators determine the cause.
Israeli strike kills two people in Gaza, medics say
An Israeli airstrike on Sunday killed at least two Palestinians in a vehicle and wounded 13 others in the Gaza Strip, medical staff said.
Saudi Arabia shuts key oil pipeline after drone attack
Saudi Arabia shut its East-West oil pipeline on Friday after it was hit in a drone attack, disrupting a key route used to bypass shipping problems in the Strait of Hormuz.
