MANILA: Parts of the Philippine capital were locked down on Monday as thousands of demonstrators took to the streets to protest corruption and mark the 54th anniversary of the declaration of martial law, a period marred by violence and rights abuses. More than 17,000 police personnel were deployed across the main protest sites in Manila, and classes in schools across the city were suspended or moved online. The presidential palace complex, Malacanang, was sealed off, with the Presidential Office