Manila, March 30 -- Oil companies announced another round of fuel price increases starting Tuesday, marking the fourth consecutive week of hikes amid ongoing Middle East conflict.

In separate advisories Monday, PetroGazz and Unioil said diesel prices will rise by PHP12.50/liter, while gasoline will increase by PHP2.50/liter.

Seoil also reported a PHP12.50/liter hike for diesel and a PHP2/liter increase for kerosene, noting that gasoline prices will remain unchanged.

Shell, meanwhile, likewise announced a PHP12.90/liter increase for diesel, PHP2.90/liter for gasoline, and PHP2.40/liter for kerosene, while Jetti will likewise hike diesel by PHP12.90/liter and gasoline by PHP1/liter.

Other oil firms have yet to release their price adjust...