Overview

• An emergency call just after 5 a.m. local time reported a blaze at a single-family house in Hamar, about 120 kilometers north of Oslo.
• Three victims were found in the morning, and responders located a fourth early in the afternoon, police said.
• The victims, aged 18 and 19, were friends who had gathered at one of their homes, according to authorities.
• Firefighters brought the fire under control by late morning and remained on site to secure the area.
• Heavy smoke led the University in Hamar to close its campus, and investigators have not yet determined how the fire started.