Story highlights Four people connected to gunman Amedy Coulibaly have been arrested, official says

A policewoman is among those in custody

Paris (CNN) French police have arrested four people linked to Amedy Coulibaly, the gunman and hostage-taker at a Parisian kosher supermarket on January 9, a Paris prosecutor's spokesman said.

A French policewoman is among the four taken into custody, French national police said.

The policewoman worked at the Fort de Rosny-sous-Bois, northeast of Paris, the spokesman said.

Coulibaly killed four hostages in the grocery store before police shot and killed him.

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