French police arrested a 25-year-old suspect in Sarcelles following a series of knife attacks that injured three women in the Paris Metro on Friday afternoon.The Malian national allegedly wounded victims at the République, Arts et Métiers, and Opéra stations before being tracked via surveillance footage and mobile geolocation.Laurent Nunez ruled out terrorism due to the suspect's history of psychological instability but maintained a high security alert across the transport network ahead of New Year's Eve.