MANILA, Philippines — Members of progressive urban poor and fisherfolk groups said on Monday that they intend to investigate the consecutive fires in their communities in Cavite, suspecting that the successive blazes may be deliberate. In a joint statement, Kalipunan ng Damayang Mahihirap (Kadamay)-Cavite and Pambansang Lakas ng Kilusang Mamamalakaya ng Pilipinas (Pamalakaya) – Cavite