Conflicts between demonstrators and police have escalated in parts of the United Kingdom as violence from far-right groups continues. On Monday evening, clashes were reported in Belfast, Darlington in northeastern England, and Plymouth in the south.

Police in Devon and Cornwall stated that they had arrested six individuals in Plymouth following “high levels of violence throughout the city,” which resulted in injuries to several police officers and some civilians. Two individuals were hospitalized due to the incidents.

In an official statement, the police emphasized that “violence will not be tolerated, and hate will not be tolerated.” The British government is now attempting to gain control over the violent riots that began a week ago after a stabbing attack at a children’s dance class in Southport, where three girls were killed.

Prime Minister Keir Starmer pointed out that the lawlessness is attributed to far-right activists as well as misinformation on social media. He has promised “swift criminal sanctions” against those responsible. According to BBC reports, nearly 400 individuals have been arrested over the past week, and some of those charged in connection with the riots appeared in various magistrate courts on Monday.

The violence erupted shortly after local residents held a memorial for the deceased and injured girls from the dance attack. An angry crowd directed its frustration against a mosque in Southport. Since then, violent groups have attacked hotels housing asylum seekers and mosques, based on false rumors that suspects in the Southport case were Muslim asylum seekers.

“Regardless of the apparent motivation, this is not protest. It is pure violence, and we will not tolerate attacks on mosques or our Muslim community,” Starmer stated on Monday.

The suspects in the Southport murders were charged in court last week, where a judge also lifted restrictions on disclosing his identity. He was identified as 17-year-old Axel Rudakubana, born in Cardiff to a Rwandan couple and moved to Southport in 2013.

Violent actions also continued on Monday evening in Belfast, Northern Ireland, where a supermarket was set on fire and molotov cocktails and stones were thrown at the police, according to BBC reports. Police in northeastern England reported that they also arrested an 18-year-old man following “small pockets of serious violence,” which resulted in bricks being thrown at officers in Darlington.