Five persons have been arrested for their alleged involvement in an armed robbery at a jewellery store in Mira Road of Maharashtra's Thane district, police said on Friday.

The accused had allegedly robbed a jewellery store at Naya Nagar in January and decamped with valuables worth over Rs 1.5 crore after brandishing a revolver at the staff, deputy commissioner of police crime Dr Mahesh Patil said.