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, the officials said on Thursday, reported the PTI.

The officials said that the ED had conducted searches at the Mumbai-based jeweller's premises on August 3 and 4, following which Assistant Director Sandeep Singh Yadav allegedly threatened to arrest the jeweller's son if he did not pay him Rs 25 lakh, according to the Central Bureau of Investigation (CBI), the PTI reported.