Kanpur: The police recovered the stolen two-and-a-half quintal vault from the cash room of the Kanpur Zoo during a combing operation on Saturday.
A sum of 5.95 lakh cash kept in the safe has also been reportedly found.
Due to the vigilance of the police, the thieves could not take out the safe.
The police are interrogating the employees posted on night duty in custody based on suspicion.
According to ACP Colonelganj Akmal Khan, all the gates of the zoo were closed and the movement was banned.
During combing in the premises, a safe hidden in straw under a wooden bridge was recovered along with the cash.
The employees on night duty are being interrogated by taking them into custody.