Possible "terrorist" attack by gunman in Oslo

Bonnie Marrocco

ROCHESTER, N.Y. (WHEC) – A mass shooting that left two dead in the Norwegian capital of Oslo is being investigated as a possible "terrorist" attack.

It happened Friday night near a popular LGBTQ nightclub. Officials say up to 20 people were injured.

A Norwegian citizen of Iranian origin was arrested shortly after the shooting. Officials say the suspect was known to police, but not for major crimes.