In a breakthrough in the case of robbery of nearly Rs 9.16 crore from the office of an ATM cash handling company in Thane, police today said they have arrested six persons and recovered Rs 3.12 crore from them. The six persons were arrested yesterday and the hunt is on for around 15 others who were also involved in the robbery that took place in the wee hours of June 28, Maharashtra Director General of Police Pravin Dixit told mediapersons at the police headquarters here.

 Dixit said the six arrests were made from Thane and Nashik in joint effort by a police team, including personnel of the Crime Branch, who cracked the case.

Three four-wheelers, a pistol and a knife used by the accused in the robbery were also seized, and the hunt was on for another weapon and other things like CCTV and DVR taken away by the accused, police said.

A gang of seven robbers, wielding knives and chopper, had on Tuesday robbed the office of the ATM cash handling company and decamped with nearly Rs 9.16 crore.