At least six people were injured in an attack at the Gare du Nord station in Paris on Wednesday morning, according to CNN..

An unidentified man armed with a homemade knife began attacking people at 6:42 am local time and was neutralized by police a minute later.

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According to French Interior Minister Gerald Darmanin, several shots were fired and the attacker was wounded..

A spokesman for the Paris prosecutor's office said six people had been stabbed, including a member of the French border police.. One of the wounded is in critical condition.. The suspect is also in critical condition, a spokesman said..

The motive for the knife attack is unknown, according to the Paris prosecutor's office..

France's national anti-terrorist prosecutor's office said it was " The fact that the suspected attacker was wounded could extend the time needed to assess the facts in the case, prosecutors added..

CNN affiliate BFMTV interviewed a woman who identified herself as Lily, who witnessed the attack and helped the victims.

“My friends and I were going to rest this morning and were at the entrance to the station when we heard people screaming,” she said.. We saw two people on the ground. One beat the other. People tried to separate them, and then the attacker pulled out a weapon. People started screaming \! " At that moment we heard shots. Everything happened no more than five minutes, although it seemed to me that an eternity had passed..

The incident is not currently being investigated by the French authorities as linked to terrorism, but it was the second in the last two months.. In December, a man who was at the time under investigation by the Paris prosecutor's office for racist violence shot and killed three Kurdish activists in northern Paris..