The Central Bureau of Investigation (CBI) has arrested an assistant director of the Enforcement Directorate (ED for allegedly taking a bribe of Rs 20 lakh from a Mumbai-based jeweller. According to officials, the Enforcement Directorate had conducted searches at the premises of the jeweller, Vipul Harish Thakkar, on August 3 and 4. Assistant Director Sandeep Singh Yadav allegedly threatened to arrest Thakkar’s son if he did not pay him Rs 25 lakh, according to the CBI.