Mumbai: The Narcotics Control Bureau (NCB) has arrested two more persons in connection with the probe related to drug angle in actor Sushant Singh Rajput's death case, an official said on Tuesday.

The probe agency earlier took into custody 16 people, including Rhea Chakraborty, in connection with the case.

Rhea Chakraborty and Sushant Singh Rajput

On Monday, the NCB arrested Suryadeep Malhotra, a school friend of Rhea Chakraborty's brother Showik Chakraborty, from Mumbai.

Besides, Chris Costa was detained by the NCB in Goa on Saturday. He was subsequently brought to Mumbai and arrested after questioning, the official said.

Sushant Singh Rajput With this, 18 people have so far been arrested by the NCB which is probing drug angle in the case of Rajput's death.

A Special Investigation Team (SIT) of the NCB is probing the drug case in which actress Rhea Chakraborty, her brother Showik Chakraborty, Rajput's manager Samuel Miranda, domestic help Dipesh Sawant and others have been arrested.

They are currently in judicial custody.