Police forces in the region have added their tributes to the Duke of Edinburgh after his death was announced shortly after 12:00.
Derbyshire Police Chief Constable Rachel Swann said: "Together with each police force in England and Wales, Derbyshire Constabulary offer our condolences to the Royal Family and join the nation in mourning this sad news."Copyright: PA Media
Leicestershire's Chief Constable Simon Cole said: "We have had the privilege of supporting visits that he has made to the force area on a number of occasions.
"The legacy for young people created by the Duke of Edinburgh's Award will live on in his memory."
And Nottinghamshire Police said: "As a force we are deeply saddened by the death of His Royal Highness the Duke of Edinburgh. Our thoughts are with Her Majesty the Queen and her family."
Friday sees another slightly milder start, with most of us waking up to temperatures of about 5C.
It won't get much warmer, with highs of 10C - and some scattered rain showers are expected across the region in the morning.
But temperatures are set to dip to freezing and below again overnight.Copyright: Helen Earth
It's a warmer start than we've been used to, with temperatures of about 4C (39F).
This is expected to rise to about 11C (52F), and it will generally stay dry but cloudy.Copyright: Jojen
By Adam Williams & Gary Smee
Two people from Sheffield have been arrested on suspicion of murder after a 31-year-old man died following a stabbing in Derbyshire, police say.Copyright: Google
Ricky Collins died in hospital after being found in Killamarsh at 22:00 BST on 29 March, according to Derbyshire Constabulary.
A 24-year-old man and a 29-year-old woman, both from Sheffield, were detained on Monday and remain in custody, police said.
A 16-year-old boy from Sheffield held on suspicion of murder, has been bailed pending further inquiries, officers added.
Mr Collins, from Sheffield, was found injured after officers were called to reports of a disturbance at a house in Westthorpe Road.
He'd sustained stab wounds and died later in hospital, the force said.
Anyone with information about the incident is asked to contact police.
Don't be fooled by how sunny it looks, temperatures are starting at freezing today and will not reach the double digits.
There's even the chance of snow in some areas this afternoon and lows of -4C overnight, but it should stay bright and relatively cloudless for most of the day.Copyright: Helen Earth
By Amy Woodfield
BBC News, East Midlands