India, May 26 -- Bengaluru police arrested 31 individuals during a raid at a birthday party held early Sunday morning near Kannamangala Gate, where narcotic substances were found to have been consumed.

Among those detained were seven women, including a Chinese national, news agency PTI reported.

According to the report, the police conducted the raid around 5 am following a tip-off about an ongoing party at a farmhouse. Officials say nearly all attendees are IT professionals working in the private sector.

Deputy Commissioner of Police (North East Zone) V J Sajeeth told PTI that the group consisted of both drug users and suppliers. Samples of blood and urine from those arrested have been sent to the Forensic Science Laboratory (FSL) for ...