Two women died after being found injured, one from stab wounds, while a man was also killed in a fatal road accident nearby. Police are linking the incidents.
Khairi Saadallah was sentenced Monday to life in prison with no chance of parole for stabbing three male friends to death in an English park in June.
Police said five victims have been transported to a hospital, however, there was no immediate word on their conditions.
Clara Maes insisted she wasn’t behind the 2015 stabbing murder of her friend, who had named her as heir to the majority of her fortune.
One man was killed after being stabbed in the city centre of Birmingham. Seven others were injured.
Dirk De fauw is "fine", police said, after he was brought to hospital on Saturday. A man has been arrested on attempted murder charges.
The 22-year-old attacked his former school in northern Slovakia, killing the deputy director and injuring five, before he was shot dead by police.
The suspect was arrested on suspicion of attempted murder.
He had received care in a mental health facility until last May. But prosecutors are not ruling out it was a terrorist act.
The son of Germany's former president Richard von Weizsäcker was stabbed to death while he was delivering a lecture at a clinic in Berlin.
The directorate of general security in Jordan said a number of tourists, a tour guide and a security officer were stabbed in the attack in Jerash.
Lyon stabbing suspect charged for 'murder' and 'attempted murder'
Man stabbed in knife attack at Home Office in London
“This is a horrific incident in which a young mother has lost her life and her child is critically ill,” Detective Chief Inspector Mick Norman said.
Dozens injured including young children in stabbing attack near Japanese capital
Mayor of London Sadiq Khan has announced the new initiative to tackle violent crime across the UK capital, which will come into effect next week
In a unique set of circumstances, London's Metropolitan police have arrested 39 people on "attempted murder" charges after they failed to cooperate in an investigation.