Several people were injured in a stabbing attack in a park in the English town of Reading on Saturday, and one person was arrested, police said.
There was no immediate word on motive, but Britain’s interior minister said she was “deeply concerned.”
The local Thames Valley Police force tweeted that officers were called to the city’s Forbury Gardens around 7 p.m. local time.
It said that “a number of people sustained injuries and were taken to hospital” and one man was arrested at the scene.
There was no immediate word on any fatalities.
Witnesses reported that police cars and helicopters descended on the park in Reading, a town of about 200,000 residents 40 miles (64 kilometres) west of London.
Police blocked off several roads in the city centre, and photos showed two air ambulances nearby.
Jason Brock, the leader of Reading Council, tweeted: “Concerning reports from Reading town centre – please stay clear of the area as Police are dealing with a serious incident.”
Home Secretary Priti Patel, Britain’s interior minister, posted on Twitter: “Deeply concerned to hear reports of an incident in Reading. My thoughts are with everyone involved, including police and emergency responders at the scene.”’
Prime Minister Boris Johnson tweeted his thoughts were with those affected by the “appalling incident.”