Indian security forces foiled a major infiltration bid by militants from "Pakistan-occupied Kashmir (PoK)" in the Tangdhar sector of the frontier district known as Kupwara, a police spokesman said Friday afternoon.

He said the Special Operation Group (SOG) of Jammu and Kashmir police, seven Rashtriya Rifles (RR), and 87 Batallion Border Security Force (BSF) noticed a group of militants entering into this side from PoK in Tangdhar sector near the LoC, IBNS said quoting JK Police. 

However, when challenged militants escaped back into "Pakistan-occupied Kashmir" leaving some arms, ammunition, and heroin on Indian soil, officials said. 

The police claimed to have recovery included one AK47, one pistol, two grenades, other ammunition, and six packets of heroin (market value approximately Rs 30 crores).

The spokesman added no one has been arrested.