Snowden's Father Urges Son to Come Back to U.S., Not Commit Treason

Edward Snowden vows to fight extradition

The father of Edward Snowden, the ex-CIA worker who leaked top secret information on US surveillance programmes, has issued a public plea urging his son to not commit "treason".

"I hope, I pray and ask that you will not release any secrets that could constitute treason," Lon Snowden said in an interview with Fox News.