Hoshiarpur, June 25 -- An employee of a gold testing laboratory, which was targeted by robbers a day before, has been arrested for his involvement in the crime, the police said on Monday. Rs 22.5 lakh, 800-gm gold and 2.5-kg silver, which the robbers had taken away from the premises of Sri Nath Tunch lab in Hoshiapur's Sarafa Bazaar, have been seized. All of them have been nabbed....