The brother and sister of a NZ man missing in London flew to the UK last night vowing to do whatever they could to help search for him.

A man described by police as helping their investigation into missing Wanganui woman Marice McGregor told a friend he met her on the internet more than two years ago.

The family of a NZ man missing in London for a week is not ready to concede something terrible has happened - but are travelling to the UK.

A major search is under way in London for a NZ man who has been missing for six days after failing to return home from an evening at a nightclub.

Two children are among the people missing after the land beneath their house gave way, causing it to partially collapse.

The discovery of a lanyard belonging to missing Whanganui woman Marice McGregor indicates she had got into a vehicle, police say.

The Army has been called in to help with the search for missing Christchurch woman Emma Campbell, although her family now fear the worst.

The army will tomorrow join police in the search for Christchurch woman Emma Campbell, who has been missing since May 1.

Police are seeking at least three witnesses in the search for Christchurch woman Emma Campbell.

A body found near the Urewera National Park by hunters last month has been identified as that of a 1982 murder victim.

Police have found a vehicle they believe is linked to the disappearance of Whanganui woman Marcie McGregor.

Detectives have refused to rule out abduction or homicide in the case of Whanganui woman Marice McGregor, who disappeared on April 19.