Guns cheaper than smartphones in town near Peshawar
Police have also recovered a 3kg bomb, hand grenades and other weapons from the possession of the accused, the communiqué added.
The suspects had recorded a video of overcrowded areas of the city, and were apparently planning to carryout attacks.
While further investigation is underway, a case has been registered against the accused.
On Monday, the CTD had arrested a suspected militant linked with a banned outfit.