Over 1 kg of heroin worth Rs 8.4 crore has been seized by Assam Rifles and Mizoram police from Champhai district, an officer of the paramilitary force said on Friday.

As per the PTI report, the joint team of Assam Rifles and Mizoram police acted on a tip-off. The joint team seized the heroin from a car at Ngur Village in east Mizoram`s Champhai district on Wednesday, an officer said.