Dhaka: Members of Rapid Action Battalion (RAB) arrested four people and recovered 40,000 pieces of yaba tablets from the office of a courier service in the city’s Dilkusha area on Monday.

The identities of the arrestees could not be known immediately.

Tipped off, a team of RAB-10 conducted a drive in the area and arrested four people along with four parcels, in the afternoon, said ASP Jahaid Ahsan, operation officer of RAB-10.

Some 40,000 pieces of yaba tablets were recovered from four parcels dispatched from Lohagarah in Chattogram, said RAB.