Chandigarh, April 5 -- The counter-intelligence wing of the Punjab Police, in coordination with the Chandigarh Police, on Saturday solved the April 1 grenade attack on the BJP headquarters in Sector 37 on Saturday.

"Five members of a terror module have been arrested, while the two primary perpetrators have been identified," said director general of police Gaurav Yadav.

The arrested individuals have been identified as Balwinder Lal alias Shami of Majari village in SBS Nagar, Jasvir Singh alias Jassi of Bharapur village in SBS Nagar, Charanjit Singh alias Channi of Sujawalpur village in SBS Nagar, Rubal Chauhan of Thana village in Shimla and Mandeep alias Abhijot Sharma of Dhuri in Sangrur.

Two accused who hurled grenade at the BJP headq...