Over one kg heroin, allegedly being smuggled into Bangladesh from India, was seized in Lalgola area in Murshidabad district, the Border Security Force said on Wednesday.

BSF had received specific information about movement of smugglers along with consignment of narcotics near the border area under Lalgola Police Station on Tuesday.

The BSF search party observed some movement along the Indo-Bangladesh Border (IBB) road and noticed that a person was trying to throw a bag over the International Border Fence from India to Bangladesh, it said in a statement.

The search party challenged the person but he managed to escape taking advantage of darkness, it said.

"On thorough search of the area, the search party recovered a polythene bag in which there were 13 small plastic packets containing 1300 gramme brown colour powder suspected to be heroin. The seized item has been handed over to Lalgola police for further investigation," the statement said.

During this year, BSF South Bengal Frontier has seized total 3,765 gramme of Narcotics and has apprehended three narcotics smugglers.