Tullahan or Tullahan River is a 27.1-kilometer river that starts at the La Mesa Reservoir in Quezon City and flows through Caloocan, Malabon, Valenzuela, and Navotas before emptying into Manila Bay.

MANILA, Philippines — Amid rising dengue cases, the Malabon city government has launched a competition to determine the “cleanest and greenest” barangays. All 21 barangays in the city have ...