French Officer Questioned After Fatal Shooting of Teen During Traffic Stop

Incident in Normandy raises concerns over police tactics; follows last year's riots over similar case

19-year-old shot dead by police while attempting to flee traffic stop in Cherbourg-en-Cotentin.
Officer used stun gun before colleague fatally shot the teen in the chest.
Vehicle involved was reported stolen; one occupant escaped, another detained for robbery.
Police officer held for questioning by internal affairs department, IGPN.
Event echoes last year's riots over fatal police shooting of a teenager in Paris.