Nine Swedes were killed when their plane crashed during a skydiving trip near Umea, a small university city in northern Sweden.
The small plane carrying the parachutists crashed on Sunday on an island on the Ume river shortly after takeoff from Umea airport, police spokesman Peder Jonsson said.
- Helicopter's near-miss with skydivers revealed
- Man hospitalised after skydiving accident in Queenstown
All the victims were Swedish, with one person holding dual citizenship, police said. The names of the victims have not been disclosed.
King Carl XVI Gustaf expressed his sorrow in a statement.
"In view of today's tragic air crash outside Umea, which took nine people's lives, I want to convey my condolences.
My family and I send our thoughts to their families and relatives," he said on Facebook.
Sweden's Prime Minister Stefan Lofven said the government was in close contact with the relevant authorities as they investigate the cause of the crash.