Most Asia-Pacific markets were set to open lower on Wednesday, extending their sell-off amid an escalating Middle East war, with investors also look toward an annual parliamentary meeting by China's policymakers that kicks off later in the day. The gathering, dubbed the "Two Sessions," consists of a consultative congress that will start later in the day, and a National People's Congress due to open Thursday. Chinese Premier Li Qiang is set to announce a series of economic targets at the NPC,