Indianapolis: A gunman opened fire indiscriminately at a busy shopping mall in the US state of Indiana, killing 3 people and injuring 2.

According to the international news agency, 3 people were killed and 2 were injured in the shooting incident at the Greenwood Park Mall in the city of Indianapolis, Indiana, USA.

At the time of the shooting, a young man in the shopping mall asked the assailant armed with his licensed pistol to drop the weapon, but on his refusal, the assailant was shot dead.

An Indiana police spokesman says the 22-year-old showed common sense and used his legal weapon to stop the assailant from carrying out more carnage. The process of identifying the assailant is ongoing.