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".

Hezbollah warns Israeli residents to evacuate towns near border
US House rejects war powers resolution, backs Trump on Iran war
GCC and EU ministers urge immediate halt to Iranian attacks
Trump wants say on Iran's next leader
US, Venezuela agree to re-establish diplomatic ties
