Four staff members were injured on Tuesday when a student attacked them with a knife in a school in the Norwegian capital Oslo, police said.
The student was arrested but the motive was not immediately clear, The Independent daily reported.
The four victims, all employees at Brynseng School, were taken to hospital with minor injuries.
An Oslo Police official described the suspect as "very young". He said an investigation had been launched.
Surjit Singh Malhi said he was putting out political signs for US Representative Jeff Denham, a Republican running for re-election, near his home in California when he was attacked by the two men who yelled racial slurs
Sri Preston Kulkarni, whose family traces its roots to Maharashtra and Karnataka, says on his website that he spent his career trying to reduce conflict in other countries..."but right now hostility and conflict are being inflamed in our own country through the politics of anger and demagoguery".
He pleaded guilty yesterday in federal court in Rutland to two felony charges, each carrying maximum penalties of 10 years in prison.
He was rushed to a private hospital where doctors declared him brought dead, police said.
The Indian-origin general practitioner stepped down as NHS England's Director of Primary Care after his pseudonym posts over the closure of small GP surgeries in the country triggered outrage among fellow family doctors.
India topped the number of tourist arrivals in Sri Lanka at 206,337 followed by the Chinese tourist whose figures stood at 136,294.