" The subway station where an explosion happened is cordoned off in southern Stockholm Authentic Melker Karlsson Jersey , Sweden, Jan. 7, 2018. A man was killed and a woman injured when an object exploded Sunday outside a subway station in southern Stockholm, the capital of Sweden, Swedish Television reported on Sunday. (XinhuaWei Xuechao) STOCKHOLM, Jan. 7 (Xinhua) -- A man has died after picking up what police believe was a hand grenade outside a subway station in southern Stockholm, the capital of Sweden, Swedish Television reported on Sunday.