Hyderabad: Doctors at a government hospital got a 20-year-old chain snatcher to excrete a 40-gm gold necklace which he had swallowed after snatching it from a woman four days ago, a Government Railway Police (GRP) official said here today.

Secunderabad Railway Station Inspector A Anjaneyalu told PTI that accused Vikas R snatched the woman's necklace when she was walking near the tracks at Sithafalmundi railway station here on the night of August 15, after which he fled.