LUCKNOW, Oct. 25 -- A Rs.5-lakh bribe allegedly changed hands in Delhi, followed by a phone call to an enforcement officer at the Enforcement Directorate's (ED) Lucknow zonal office to confirm receipt of the money. But the call also set in motion the final leg of a Central Bureau of Investigation (CBI) operation that ended with the arrest of two ED personnel on Friday.

A CBI official familiar with the development said the agency first apprehended head constable Manoj Dwivedi in Delhi, moments after he allegedly accepted the money on behalf of enforcement officer Deepak Kumar, posted at the ED's Lucknow zonal office. Once Dwivedi called Kumar to inform him that the payment had been received, the CBI's Delhi team moved in, while its Luckno...