Three people were killed and two others were critically injured in a stabbing incident in the southern English town of Reading on Saturday evening, according to some British media reports.
The police forces rushed to the scene and are currently investigating the incident. Some reports said that the police have arrested a man who is suspected to be behind the incident.
The stabbings took place at the site of Black Lives Matter protest in the town earlier in the day.
Prime Minister Boris Johnson said his "thoughts are with all of those affected by the appalling incident in Reading".
"My thanks to the emergency services on the scene," he added.
Video footage posted on Twitter showed paramedics rushing to help at least three people who were bleeding on the ground in a park.