Hyderabad, May 16 -- The police team investigating the murder of the wife of former Indian Police Service (IPS) officer Vinay Ranjan Ray's wife has arrested one of the accused, identified as Sunil.

The investigation revealed that eight people were involved in the robbery at the ex-IPS officer's house in Jubilee Hills.

Apart from the arrest, the police have detained the parents of Kalpana, the Nepalese domestic help who is the prime accused in the case.

According to a report by the Deccan Chronicle, Kalpana's parents were detained from Maharashtra. Four other persons were also reportedly detained, though investigators were yet to ascertain their role in the case.

Police suspect some of them may have provided shelter and transportation ...