A screenshot captured from Google Maps shows Stalowa Wola in southeast Poland.

WARSAW, Oct. 20 (Xinhua) -- Polish police said Friday that one person was killed and at least seven others were injured in a stabbing incident in Stalowa Wola in southeastern Poland.

The incident happened at 15:00 p.m. local time in the shopping mall of Vivo. Police officer Anna Klee said that the assaulter, a man, attacked people from behind, hitting them with a knife.

A witness, who was present at the gallery at the time of the incident, said that the man was running around the shopping mall and stabbing people blindly.

Local media reported that the attacker, who was identified as Konard K, is a 27-year-old man, a resident of Stalowa Wola.

Klee told Polish Press Agency (PAP) that about a 50-year-old woman died by severely injured. Seven others have been taken to hospitals in Stalowa Wola, Tarnobrzeg and Sandomierz. Authorities said that five of them have serious wounds.

She added that the attacker was taken over by the gallery's clients and handed over to the police.

Police are still investigating the motive behind the attack.