A THREE-year-old girl has been beheaded in Papua New Guinea in an attack thought to be over a land dispute. Police made the shocking discovery yesterday in Madang province, on PNG's northeastern coast, after residents reported that up to seven men had abducted the girl from the coastal village of Bogia. Four men have been arrested over her killing. The police commander of Madang province, Chief Inspector Anthony Wagambie, told PNG's The National newspaper that he was "disgusted'' by the gruesome killing, which he he said was linked to tensions over land. "Police will continue investigations until all seven suspects...