Manila (Philippines), May 17 (EFE/EPA).- The former National Police chief of the Philippines, who was in charge of the bloodiest operations of the anti-drug war in the country, has won a seat in the Senate according to partial results, sparking controversy and giving rise to concern Friday among human rights activists.<br /> <br />ARCHIVE FOOTAGE. <br /> <br />Keywords: efe,epa,philippines,elections,police,senator