Student Tae Won Chung stabbed his teacher after being goaded about his fear of North Korea and returning home to military training, a court hears.

A US warning the Afghanistan war could be lost unless more soldiers are sent in won't persuade the NZ Government to send more troops, our Foreign Minister says.

Afghanistan will be on the agenda when Prime Minister John Key meets United Nations and Nato leaders in New York this week.

Some Indian grandparents are being brought to NZ by their families only to be used as babysitters and then 'practically abandoned'.

John Key says he is well aware of the danger New Zealand's Special Air Service (SAS) troops face in Afghanistan.