MANILA: The Philippines said Friday it had opened a coast guard post in the country's far north to boost security following China's "military build-up" near Taiwan over the past two years.The outpost "shall gather essential maritime data and intelligence, enabling the (Philippine Coast Guard) to respond effectively to threats such as illicit trade, trafficking, piracy, and foreign intrusions", National Security Adviser Eduardo Ano said in a statement."In 2022, the area around Itbayat witnessed a military build-up as China responded to political developments between Taiwan and the United States," Ano said, announcing the opening of the station on the Philippines' northernmost inhabited island."Securing peace, stability, and freedom of navigation along the Luzon Strait is crucial for ensuring Philippine national security and economic prosperity," he added.