The BSF troops of Tarali camp under Swarupnagar Police Station of 24 Parganas district fired five bullets targeting the Kakdanga BDR camp at about 5:30am, forcing the Bangladesh border guards to retaliate by 20 shots. No casualty was, however, reported.

After the incident, the Indian border guards reinforced its strength at all border outposts and increased patrols, according to a report received from across the border.

BDR sources said the paramilitary Bangladesh troops have been put on alert on the border.

When contacted, Lt Col Mohammad Asif Abdur Rouf, commanding officer (CO) of 41 Rifles Battalion, confirmed the border skirmish.