Cressida Dick becomes the first woman to lead London's police force in its 188-year history.
"We are not going to accept that because we don't have to and it is not in the interest of Mexico."
More fruit and veg might prevent nearly eight million premature deaths each year, researchers say.
Some of the poorest funded areas fear losing out in the planned shake-up of school funding.
Astronomers have discovered seven Earth-sized planets orbiting a single star - a record number.
Wayne Rooney's agent Paul Stretford is in China to see if he can negotiate a deal for the forward to leave Manchester United.
The late singer wins two awards at the 2017 ceremony, as does newcomer Rag 'N' Bone man.
Some 10,000 people are legally driving, despite having more points than the standard threshold for a ban.
Ian Stewart drugged and suffocated Helen Bailey and threw her body in a cesspit.
The family of Jamal al-Harith say the reported £1m settlement was split between four people.
The Great British Bake Off winner will be travelling around Britain in search of innovative cooking.
The five-year-old's family say scans show a tumour at the base of the youngster's back.
Protesters in the US are arrested by police after a deadline passes to end the year-long protest.
Gusts of up to 80mph are expected in some areas, with 10cm to 15cm of snow in others.
Newly convicted killer Ian Stewart makes most of the front pages as police look again at first wife's death.
How smartphones are helping blind people
How loneliness led author Helen Bailey to her killer
How two housemates from Boston found a lost plane wreck
The couples divided by the UK's visa rules
How does one blow kill?
The best of London Fashion Week
Jamie Vardy's away goal keeps alive Leicester's hopes of reaching the last eight of the Champions League despite a narrow first-leg defeat in Sevilla.
Several fascinating facts about libraries