Balasore train tragedy: CBI grills junior engineer amid suspicion of tampering of signalling system

A CBI team probing the June 2 train tragedy at Bahanaga Bazar interrogated a junior engineer, working with railway signalling, at his rented house in Balasore district's Soro township for several hours on Tuesday amid suspicion of tampering of the signalling system as the reason behind the triple-train accident that killed 292 people.