NEW DELHI: Indian police said yesterday they are investigating four Christian priests for allegedly raping and blackmailing a woman in a cycle of abuse and threats lasting almost 20 years. The woman told police that her ordeal began while still a minor in the 1990s when an Orthodox priest at a church in the southern state of Kerala forced her into sex. She confessed to a second priest, who allegedly blackmailed her into having sex with him. A further two priests also threatened her and forced her into sex, the woman, who has not been named, told investigators.--AFP