What all happened in Sameer Wankhede's investigation today? Know from NCB Vigilance Chief

Watch the video to know what all happened in Sameer Wankhede's investigation today. Here is the interview of NCB Vigilance Chief 

In an unusual turn of events, a Narcotics Control Bureau (NCB) vigilance team from New Delhi on Wednesday questioned the agency's Mumbai Zonal Director Sameer Wankhede for nearly four and a half hours at its Bandra camp office, a top official said.