The family of missing teenager Jayden Parkinson "remain heartbroken" and "devastated", Thames Valley Police said.
Detective Chief Superintendent Andy Murray said although specially trained officers were assisting Jayden's family, "Nothing can prepare you for the loss of your child".
More top news
Nasa's Maven spacecraft enters into the orbit of Mars after a 10-month, 442 million-mile journey.
British actress Emma Watson called for more feminists in society and called upon men to promote gender equality in a speech at the weekend.
Twitter falls out of favour and Instagram makes ground in the 2014 CoolBrands UK survey.