Missing teenager Kaylie Hatton who disappeared from Sidcup in the company of an older man climbed out of her grandmother's window, police say.
Police say she escaped the house by climbing out of a window.
Kaylie is said to have argued with her Grandmother on Friday night, and then decided to leave Saturday morning.
She is thought to be with 51-year-old Fred Finch, from Eltham, and the pair have since been spotted on a number 96 bus in the Welling / Crayford area.
Detective sergeant Graham Scott, of Bexley CID, called her as a “high risk missing person”.
DS Scott said: "The last proof of life we have got is Sunday night between 4pm and 8pm at a friend's address.”
There have been unconfirmed sightings of the pair using swimming pools and leisure centres to take a shower.
DS Scott added Kaylie is 'distinctive' but could pass for a 21-year-old.
She is described as a white female with long blonde hair which may have been dyed a darker colour.
MORE TOP STORIES The teenager was wearing last seen wearing a white top with a gold chain around the collar, black leggings and light brown/tan Timberland boots.
Mr Finch is described as as a white man with short dark hair.
He was last seen wearing a black/blue baseball cap, a black jacket, black jeans and black Nike trainers.
Anyone who has seen him or Kaylie or has any information is asked to contact the Bexley Missing Persons Unit on 07774 286077 or 101.
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