Police and other law enforcement agencies have launched a search operation in different areas of Peshawar Cantt, police sources said.
The house to house search drive has been launched in Gulbarg, Saddar, Nothia and the areas adjoining to the Frontier Constabulary headquarters, sources said.
The law enforcers also checking the national identity cards during the search operation and 22 suspects have been detained, police said.
At least four persons were killed in a suicide bombing attack at a convoy of FC in Peshawar on Tuesday.
