A 14-year-old boy from Ealing has now been missing for almost two weeks, and police are appealing to the public for help finding him.
Nathan, no surname has been made public, was last seen on Saturday, November 7 at 9am.
He is known to frequent Hayes, Ealing and Northolt so people in any of these areas should keep particularly alert.
"If you have seen him please call 101 quoting 8226/07NOV".