Police are appealing to the public for help to identify a man.
He was found at Hammersmith Broadway bus station on Friday July 24.
He is currently at a central London hospital and as told officers and hospital staff that he does not know who he is.
The man is described as Asian, 5ft 7ins tall, of slim build, with a short grey beard and short grey/black hair.
When found, he was wearing a black t-shirt with a grey striped t-shirt underneath. He was also wearing black jeans and brown sandals.
Police and hospital staff are increasingly concerned for his welfare and are keen to reunite him with those who know him.
The man has no injuries and is not believed to have any known medical conditions.
If anyone recognises this man, please can they contact the Hammersmith Missing Persons Unit on 020 8246 2815.