Dhaka, Jan. 26 -- Rapid Action Battalion (RAB) on Saturday arrested four in a case filed for gang-raping a schoolgirl in Gazipur.

The arrested identified as Sharif Hossain, 18, Imran Hossain Sujon, 19, Sharif Uddin Molla, 20, and a 16-year-old-boy, are all from Nayanpur in Sreepur upazila.

RAB 1 Porabari Camp Commander Lt Col Abdullah Al Mamun said: "Tipped off, we arrested Sharif Hossain from Rajbari of Gazipur city. Later, we conducted drives at several places in Mymensingh and arrested the rest of the accused.

"On January 14, the girl attended a birthday party in Nayanpur, where she was served a drink spiked with sedatives. When she fell unconscious, the accused took her to an isolated place and raped her. Imran Hossain Sujon also fil...