What Were The Factors Behind Bihar Boat Tragedy That Killed 24 People?

A surprise announcement to vacate the venue of a kite-flying festival attended by hundreds; an unauthorised private boat engaged in a hurry by visitors to reach a government ferry that could not dock as the landing platform had caved in; disaster response boats on patrolling duty diverted to carry other passengers to Gandhi ghat in Patna, 500m across the Ganga.