Nine-year-old Brody Price died from a rare brain tumour.
The new system, using Alstom's Innovia monorail platform, is expected to transport up to 45,000 passengers an hour in each direction.
The former coach and footballer has been commentating on the Rams since 1986.
Amy Hudson and her husband Kyle are aiming to break the world record for the fastest circumnavigation of the globe by bicycle.
The man in his 70s needed hospital treatment after being assaulted outside his home in Derbyshire.
Steven Millward put a white powder in their glasses when they went to the toilet, police say.
The suspect also injured a man in his 70s as he fled the Sainsbury's store in Derby, police said.
The driver's arrest came during the first week of Derbyshire Police's Christmas crackdown.
Footage showing the moment Jamie Birks was wrestled to the ground has been released by police.
The driver was attacked by Demetri Draco while delivering a phone in Derby.
Police believe the blaze at Brampton Manor could be arson.
Video footage captures the moment a suspected gas explosion happened at a house in Derby.
Derbyshire Police said his actions were "not only unacceptable but criminal".
Marius Ciolac, 35, was fatally shot at the police station car park in Derby.
The Met Office has now issued a yellow weather warning for snow and ice in the county.
Richard Cantrell and Katherine Siggins wanted to pay tribute to their relatives who worked on the railway.