Shooting at a mosque in Norway is being investigated as a possible act of terrorism.
The police confirmed their line of investigation during a media briefing on Sunday.
The gunman, who had injured one after opening fire at the Al-Noor Islamic Centre on the outskirts of the capital Oslo, has been taken into custody.
Later, police confirmed that the suspect's relative was killed at his house before the mosque attack.
The suspect described as a "Norwegian man" had been known to police before the incident but could not be described as someone with a "criminal background".
At least 111 killed after powerful earthquake hits western Colombia
Storms from Dolphin soak China's east, ground nearly 950 Shanghai flights
Indian police fire tear gas, use batons to disperse youth protesters
China says Long March 7A rocket launch failed after flight anomaly
Ukraine kills 13 in drone strikes on Russian city of Nizhnekamsk, officials say
