Police in Britain have launched a murder inquiry after a four-year-old boy died from stab wounds and a 14-year-old girl was seriously injured.
Officers were called to an address in Royd Street, in Slaithwaite, Huddersfield, West Yorkshire, at 1pm.
The boy was taken to Huddersfield Royal Infirmary with serious injuries but died a short time later, a West Yorkshire Police spokeswoman said.
His teenage sister was also taken to hospital with serious injuries.
Police confirmed they were treating the death of the boy as murder and two men had been arrested in connection with the incident.
