The Police Special Task Force (STF) has arrested two underworld figures during special raids carried out in Kaduwela and Ambalangoda areas.Accordingly, large-scale drug trafficker and organized criminal gang member Malalage Sudath Kithsiri Thushara, alias Weliwita Sudda, was arrested in a raid carried out by the STF at Kotelawala, Kaduewela yesterday (29).The raid was conducted based on a tip-off received by the STF, leading to the arrest of the 46-year-old, who had also been in possession of 13 grams of heroin at the time of the arrest.Meanwhile, Thuppahi Mudalige, alias Adadola Ranga, identified as a close associate of notorious crime figure Sobanahandi Jayalath de Silva, alias Karandeniye Sudda, was also arrested in the Ambalangoda Police division yesterday.The 33-year-old was arrested while with 15 grams of heroin following a raid carried out at Temple Road in Adadola, Wathugedara, based on information received by the STF.