Four of the passengers abducted in an attack on a train in Kaduna have regained their freedom.
On March 28, a train on its way from Abuja was attacked by bandits in Kaduna.
Several persons were killed while many were abducted during the attack.
Since the incident, the abductors have been releasing the captives in batches.
Tukur Mamu, media consultant to Ahmad Gumi, the popular Islamic cleric, confirmed the release of four captives on Friday.
