The police received the alarm at 13.44 that a woman had been assaulted by a man who then fled the scene.
The police launched a search operation and the suspected perpetrator, a man in his 20s according to Helsingborgs Dagblad, was quickly located and arrested.
The woman was allegedly beaten, but there is no information that any weapons were used, says Evelina Olsson, press spokesperson for the police in Region South.
The woman was taken to hospital by ambulance and, according to Region Skåne's press service, the 75-year-old woman is being treated for serious injuries.
As we understand it, they were strangers to each other, but we need to investigate the circumstances further. He will also be tested to determine if he was under the influence of any kind, says Evelina Olsson.
The man is suspected of gross assault.