One person was killed and another injured following an explosion on Sunday outside an underground station in the Swedish capital, according to police, who said the incident was not believed to be terrorism-related.
A police spokesman said a man died after picking up an object outside the Varby Gard station in Stockholm.
Police declined to confirm reports that the object was believed to be a hand grenade.
“There is obviously something that has exploded strongly... But we will have to wait for the technical investigation,” the spokesman said, adding that a murder investigation had been launched.