Four men appeared in Eastern Court yesterday accused of illegal possession of a pistol and explosives. Kwai Cheong-ming, 37, Lo Chun-fai, 36, Ip Kok-chung, 41 and Winson Ko, 30, were allegedly found on Thursday outside a flat in Shanghai Street, Mongkok, with a home-made self-loading pistol, five live rounds of ammunition and three cylindrical sticks of high-grade industrial explosives. No pleas were entered. Magistrate David Dufton adjourned the hearing until April 12. The four were remanded in custody.