"We have arrested one person, one vehicle has been secured. Two people have died, according to preliminary indications. Please continue to avoid the downtown area," police said on Twitter.
A 51-year-old suspect from the Trier area was being questioned, police said.
Municipal authorities warned people to stay away from the city center. The fire and rescue services and police were at the scene.
This Morning host Ben Shephard called a halt to the ITV show as breaking news came into the studio live on air
Many shoppers have been left outraged after spotting M&S charging 'ridiculous amount' for a sandwich
Footage taken by a Brazilian tourist shows several pedestrians stepping to soothe the black horse which caused damage after running through the London streets on Wednesday.
David Jason and Nicholas Lyndhurst will forever be remembered for their roles as Del Boy and Rodney Trotter in Only Fools and Horses, but the pair's relationship off-screen has been far from perfect.
Maxine Longmuir, 69, was thrilled when she won a £2,500 holiday to Portugal on the ITV quiz show, but claims she was left devastated when she was told she was unable to rebook it
The pair share a teenage son together
They contain a triple whammy of alpha linolenic acid, fibre and lignans which help protect against heart disease, high blood pressure and high cholesterol
Larry Webb confessed on his deathbed to shooting and killing Susan Carter and her daughter Natasha ‘Alex’ Carter over financial troubles
The Chase star Mark Labbett, who is also known as The Beast, shared a snap of his 'healthy' dinner while dining out at a restaurant
Millions of UK motorists can "make their lives easier", DVLA said
Britain's Got Talent has been hit with Ofcom complaints after a string of viewers were left feeling sick over one act's routine during the launch episode
Police have visited a family at the centre of a dine-and-dash scandal, a restaurant owner allegedly targeted in the string of incidents has claimed.
Meghan penned a letter to King Charles following the claims.
It’s practically impossible.
Prince Harry was left upset by his father's decision to evict him and Meghan from Frogmore Cottage as they were under the impression that the property would always be available to them, according to a royal expert.
Weight loss expert Dr Michael Mosley recommends opting for fruits that are lower in sugar - here's what to eat less of
Prince Harry is set to return to the UK in less than two weeks to mark the 10th anniversary of the Invictus Games - and he is likely feeling some trepidation about his visit
Despite being relatively rare in the area, a wild snake has been spotted near a Swindon suburb.
It is illegal in the UK to get behind the wheel of vehicle without a valid photocard licence
This Morning's Alison Hammond has debuted a hair transformation as she has swapped her signature brunette tresses for a copper look, just a week after going public with her new boyfriend
