Rebecca Burke, who was held in a US detention facility for 19 days said she was ‘naive to think that what was going at the border wouldn’t affect me’.
Police said two 16-year-old boys have been arrested on suspicion of murder after the incident in west London
The Metropolitan Police named the teenager, who got into difficulty in a lake in Beckenham Place Park, as Izaiah Smith.
The Metropolitan Police said the search had been stopped after a boy was found on Friday night.