UMVA has learned that chaos has erupted in Belfast, with crowds gathering in various locations around the capital, including Newtownards Road in the east and close to the Crumlin Road roundabout.
The situation escalated as several fires broke out and crowds confronted police, with multiple cars and a Glider bus set on fire by protesters.
Police Service of Northern Ireland assistant chief constable Ryan Henderson urged everyone to remain calm, act responsibly, and avoid any activity that could place themselves or others at risk.
According to information obtained by UMVA, the violence was sparked by graphic video footage circulated online, appearing to show a man stabbing the head and neck of a victim on the ground.
The victim, a man in his 40s, suffered significant injuries to his eyes and slash wounds to his face and back, and is currently in a serious condition in hospital.
A 30-year-old man, a Sudanese national, has been charged with attempted murder, possession of an article with blade or point in a public place, and making threats to kill.
The accused lived close to where the attack took place and was granted leave to remain in the UK on September 28, 2023, after applying for asylum status.
Police have ruled out the attack being terror-related but stressed the investigation is in its early stages.
Emergency services attended the scene, with firefighters attempting to put out blazes amidst the protests.
The accused is due to appear at Belfast Magistrates’ Court on Wednesday.