Police have raised concerns after a 68-year-old man they say is likely to have no money or Oyster card on him has been missing for six days. 

Sydney Piper was last located in Waltham Forest at around 11.50am on Thursday, February 23, with CCTV footage placing him at The Drive in Walthamstow. 

Officers have described Sydney as 5ft 7ins tall, of a slim build, and that he has a grey beard and black short hair. 

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He was last seen wearing a long black coat, grey T-shirt, grey trousers and black slippers. 

They added they are concerned about his welfare, and that they believe he is not in possession of any money or an Oyster card. 

Anyone who has seen Sydney is asked to call the police via 101 quoting the reference CAD 4957/24Feb.