Police are appealing for assistance in tracing a missing boy from Wembley.
Vulnerable Zachary Aebischer, 14, has been missing from his care home since 2pm on Saturday.
Carers say it is totally out of character as the youngster usually keeps in contact with friends and family and always attends school.
Oyster Card records show he was on the N31 bus in Camden Town on Monday at 2.34pm.
He is white, has short brown hair, blue eyes and wears glasses.
Anyone who has seen Zachary or anyone who knows of his whereabouts should call Brent Police Missing Persons Unit on 020 8733 3771 or Missing People on 0500 700 700.