Philippine opposition senator Risa Hontiveros has said she will press for a full-blown Senate inquiry into allegations that China can remotely shut down the Southeast Asian nation’s power grid.The National Grid Corporation of the Philippines (NGCP), which operates the network, broke a week-long silence on Wednesday by denying the claim and labelling it “baseless” and “purely speculative”.NGCP spokeswoman Cynthia Perez-Alabanza said on national television that there were “several safeguards and…