A mother has been arrested on suspicion of abducting two children after the trio were discovered in a “secluded” holiday home.
Samantha Baldwin, 40, was held after a search for Dylan Madge, six, and Louis Madge, nine, who had had been missing since Monday March 27.
The boys were located in "secluded accommodation" outside Ollerton, Nottinghamshire, police said.
They are in the care of child care professionals, officers added.
Chief Superintendent Helen Chamberlain said they had received a tip-off about the location on Wednesday night, with the boys found on Thursday morning.
She said: "Officers were given information as a direct result of a nationwide appeal for the location of the boys.
"The boys were located in secluded accommodation, run by a small holiday business, outside Ollerton, Nottinghamshire.
"The information provided was independent of this business, however they are assisting officers with their enquiries.
“Officers believe this to be a pre-planned attempt to evade authorities. We are anticipating further arrests.”
Two women, aged 62 and 36, who were arrested on suspicion of assisting an offender have been released on police bail.
Additional reporting by the Press Association