Philippines' Duterte rails against corrupt police

Philippine President Rodrigo Duterte on Wednesday launched another tirade against corrupt police who are the frontline troops in his deadly drug war, after four more officers were accused of kidnapping and extortion.The arrest of the four from Manila's financial district of Makati was the latest in a series of scandals involving police that have raised concerns about their suitability to prosecute the drug war.The 160,000-member police force is the main enforcer of Duterte's 10-month-old drugs c