LYON, France (Reuters) – A British father living in France has admitted to killing his two children by slitting their throats, blaming a rocky divorce from his wife, prosecutors said on Sunday. Police arrested the 48-year-old unemployed man on Saturday after the bodies of his 5-year-old daughter and 10-year-old son were found at his apartment in a suburb of the eastern city of Lyon. “He offered explanations linked to the children’s custody,†an official from the Lyon prosecutor’s office told Reuters. …