Explosion outside Stockholm metro station

Two people have been seriously injured after a hand grenade exploded outside a metro station in Stockholm. 

A man, 60, and a woman, 45, have been taken to hospital following the incident outside Varby Gard underground station in Huddinge, greater Stockholm.

They were injured when the explosive device was picked up from the ground this morning, reports claim.

Police stand on guard at the scene outside Varby Gard metro station this morning

An ambulance races away from the scene in Huddinge, greater Stockholm

Officials say the blast is not believed to be terror-related.

The female victim was said to have suffered wounds to her face and lower body.

Police do not believe the incident was a planned attack on the two people injured. 

Rescue official Lars-Ake Stevelind told Swedish broadcaster SVT that ‘someone has used some type of explosive material’ for the object and that police were investigating it.