French police and security officials say four people have been arrested . One is linked to Charlie Hebdo , the Paris gunman who killed five people . Another , who is a policewoman , is thought to be one suspect 's ex-girlfriend . She stands accused of accessing his criminal file , French officials said . It is claimed she worked at a large police intelligence centre in north Paris . Authorities have not yet released details about the other two in custody .
French police and security officials say four people have been arrested . One is linked to Amedy Coulibaly , the Paris gunman who killed five people . Another , who is a policewoman , is thought to be one suspect 's ex-girlfriend . She stands accused of accessing his criminal file , French officials said . It is claimed she worked at a large police intelligence centre in north Paris . Authorities have not yet released details about the other two in custody .