How Gretchen and Marjorie Barretto feud shocked Rodrigo Duterte and transfixed Filipinos

• A brawl that began at the wake of late businessman Miguel Barretto, in front of the Philippine president, has spiralled into a battle between the women of his family on social media
• Filipinos have been transfixed by the outbursts and confessions by actresses Gretchen, Marjorie and Claudine over men and money