WISSAHICKON - A man is dead and one person is in custody after a stabbing in Wissahickon.Police were called to the 400 block of Seville Street Saturday night, just before 8 p.m., according to officials.Police found the victim inside a building, with a stab wound to the chest.Medics pronounced the man dead at the scene.Police say an arrest was made after the incident and the weapon was found..