Three unidentified persons, on Sunday, robbed a jewellery shop in Navi Mumbai's Kharghar at gunpoint and fled with jewellery worth Rs 12 lakhs. The incident happened at the shop located in Sector 35 on Sunday night, officials said. 

Sources said that three unknown assailants, whose faces were covered with helmets, entered the shop and brandished pistols while looting the store. The police said they fired a few rounds as well and made away with jewellery.