Gaya (Bihar), Feb 4 (PTI) Two persons, believed to be Australian nationals, were detained for questioning today when they were allegedly trying to unlock the CPU of a bank ATM machine here, a senior police official said. The two were detained when they were trying to unlock the CPU of the ATM machine of a nationalised bank with a master-key, city Superintendent of Police Satyavir Singh said. The SP said that in course of interrogation, the two gave misleading information about their identities. According to passports seized from them, they were from Australia, he said, adding further investigation was on. PTI CORR AJK RG