One person has been taken into custody after he opened fire inside a mosque in the Norwegian capital Oslo.
"One person is shot. The severity of that person's injuries is unknown. One suspect is arrested. The police are working at the location," Oslo police said on Twitter.
Later a woman was found dead at the house of the suspect.
"A young woman was found dead at the suspect's address," assistant chief of police Rune Skjold told the media, adding that the man was suspected of murder.
According to reports, the gunman was dressed in black and wore a helmet and bulletproof vest.
Labor wins Australia election
Israel renews strikes on Syrian cities "in support to Druze minority"
Australians vote in national election with their sights on Trump, living costs
Six killed, dozens injured in India temple stampede
Prince Harry wants 'reconciliation' with royal family
