KUALA LUMPUR - In a major breakthrough in the war on terrorism Malaysian police Thursday announced the discovery of a long-sought cache of bomb-making material destined for use against Western targets in Singapore. Four tons of the explosive fertilizer ammonium nitrate, often used in truck bombs, was found buried in a palm oil estate after the arrest of a suspected member of the al-Qaeda-linked Jemaah Islamiyah (JI) terror group, a police spokesman told Agence France-Presse. Rumors of the existence of the huge stockpile of the key bomb-making ingredient have circulated since security forces in neighboring Singapore foiled a plot to...