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.
Jaish-e-Mohammed, which had close links to al-Qaeda leader Osama bin Laden, was formed after the release of terror mastermind Masood Azhar from a jail in India in 1999.
JeM chief's younger brother Maulana Ammar has confirmed that IAF fighter jets had attacked their facility in Pakistan's Balakot.
Masood Azhar was released by the NDA government in 1999 in exchange of hostages of the hijacked Indian Airlines plane IC-814.
Despite Pakistan’s announcement that it was banning Mumbai terror attack mastermind Hafiz Saeed-led Jamaat-ud-Dawa and its wing Falah-e-Insaniat Foundation a fortnight ago
Dinesh Shankar, 41 of San Jose, California was sentenced to 33 months in prison as a result of the mail fraud conviction for embezzling from a medical device company, US Attorney David Anderson said.
G Satheesh Reddy is also the Defence Secretary and Director-General of DRDO's aerospace arm Aeronautical Development Agency (ADA) in Bengaluru.