India, Sept. 15 -- The Narcotics Control Bureau (NCB) on Tuesday arrested a childhood friend of Showik Chakraborty, the brother of actor Rhea Chakraborty, following raids at his residence while probing the alleged drug angle related to the death of actor Sushant Singh Rajput.

Rajput was found dead in his Bandra apartment on June 14.

NCB authorities on Tuesday also brought to Mumbai Chris Costa, a suspected drug dealer from Goa. His role is being probed with the arrested accused Anuj Keshwani.

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Altogether, 18 people have been arrested so far in the drug trail connected to Rajput's death, including his girlfriend Rhea and her brother Showik. Their ...