A man armed with a bladed weapon attacked students at a vocational college in eastern Finland on Tuesday, killing one person in an attack that left ten injured, including a police officer, police said.

Four tourists from Finland and Sweden were presumed dead on Friday, two days after they were feared to have been swept away by an avalanche in Norway while skiing, police said.

Four people were killed and 20 others injured when a bus collided with five cars and plunged off a bridge onto railway tracks on Friday.

Finland is the world's happiest country while troubled Burundi is the most discontent, according to a new UN report released Wednesday.

Finland can share its expertise in the field of education, healthcare, clean technology and food security with Qatar to help the country achieve its National Vision 2030, Finnish ambassador Riitta Swan has said.

The accident occurred at an unguarded railway crossing near the city of Raasepori, 90 km west of the capital Helsinki, when two military vehicles were crossing the tracks.

A German aid worker and an Afghan guard were killed and the Finnish woman was abducted as gunmen stormed the guest house in Kabul in May.

A man suspected of involvement in a stabbing spree that claimed two lives in the centre of the south-western Finnish city of Turku has been freed, leaving only the chief suspect in pre-trial detention, authorities said Friday.

Finnish authorities on Tuesday said they had released two of the four suspects held in custody following this month's stabbing attack that killed two and wounded eight.

Police said the main suspect, who was previously named as 18-year-old Abderrahman Mechkah, was a Moroccan born in 1994.

Court documents on Monday identified the suspect in last week's stabbing spree in a Finnish city as 18-year-old Abderrahman Mechkah, with the country's intelligence agency saying he may have been radicalised.

Finland observed a minute of silence on Sunday for the victims of a stabbing attack that left two people dead in what is being investigated as the country's first-ever terror attack.