A goods vehicle loaded with 1,000 kilograms of explosive material was intercepted here on Saturday and two persons have been arrested, police said.
Based on prior information, the Special Task Force of Kolkata Police intercepted the commercial vehicle from Tala Bridge in Chitpur, in the early hours of the day.
"About 1,000 kg of explosive substances (potassium nitrate) stored in 27 gunny bags were seized," a police officer said.
The vehicle was coming from Odisha and heading towards North 24 Parganas district.
Two residents of Odisha's Balasore district -- Indrajit Bhui (25) and Padmolochon Dey (31) -- have been arrested and further interrogation is underway.