Hong Kong teen who was among the 12 fugitives detained in Shenzhen could face additional charges after being returned to city

• Prosecutors are mulling charging Hoang Lam-phuc, 17, with failing to surrender to custody and conspiracy to assist offenders in addition to his existing case
• Hoang and another teen were handed over to Hong Kong police by mainland authorities after they decided not to charge him with illegally crossing the national border