MANILA, Philippines — Sen. Loren Legarda sought a leave of absence in the Senate ahead of her reported trip to Hong Kong with her son, Rep. Leandro Leviste, according to Sen. Erwin Tulfo. Tulfo said Legarda informed Senate President Sherwin Gatchalian of her leave from August 3 to 5. READ: Abra clash aftermath: Remains of slain ‘rebels’