Swiss-Turkish national Nesip Dedeler is in custody after stabbing three people at the Winterthur railway station.Authorities labeled the attack an act of terror, noting the suspect had prior ties to Islamic State propaganda.Public officials are facing scrutiny for the decision to release the assailant just one day before the assault.The victims, aged 28, 43, and 52, were treated for wounds, with the eldest undergoing surgery for serious injuries.