Four teenagers from Christchurch were arrested after a suspected 300km crime spree on the West Coast, including a petrol drive-off and a ramraid. The suspects allegedly stole a car and fled the scene, leading to a police pursuit. Authorities confirmed the youths were detained following the incident. The stolen vehicle was later recovered, and police are investigating the details of the alleged theft and vandalism. The incident highlights ongoing concerns about youth-related criminal activity in the region.