A suspect has been arrested by police after a train passenger was stabbed to death in Surrey as he travelled with his 14-year-old son. The man was detained in the Farnham area at around 6am on Saturday on suspicion of murder. A 27-year-old woman was also arrested on suspicion of assisting an offender. British Transport Police said no one else was being sought in connection with the killing. Report by Jonesia. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn