Up to 20 mummified Maori heads held in French museums could be returned to NZ after France adopted a new law.

John Key's decision to attend the funerals of three Air Force servicemen has been criticised as "short-sighted and irresponsible".

NZ SAS troops took part in an operation in Kabul that saw a terror cell busted and a quarter tonne of explosives seized, John Key told media during his secret visit to Afghanistan.

Wearing body armour and a helmet, Prime Minister John Key has spent the past three days in war-torn Afghanistan on a top-secret visit to NZ troops.

John Key has just finished a hard week, and political editor Audrey Young gets him to reflect on the personal moments.

John Key found himself on the fringes of a political scandal in Ottawa yesterday, involving allegations of cocaine use and blackmail.

NZ is prepared to increase efforts to counter terrorism, the Nuclear Security Summit has been told.

John Key says he was invited to the US nuclear security summit because Barack Obama recognised the importance of NZ's anti-nuclear position.

John Key has brought forward his arrival in Washington to make an unscheduled meeting with Vice-President Joe Biden tonight.

A nuclear security summit next week is likely to be the tipping point for a push for global disarmament, writes Audrey Young.