Prime Minister John Key has been ranked in a list of the top 20 wealthiest leaders in the world.

Herald blogger Dita Di Boni says building genuine self-esteem in young girls is never an easy task.

Hillary Clinton told Saudi college students that if Iran gets a nuclear weapon it could trigger a nuclear arms race in the Middle East.

Fonterra says it has completed the acquisition of a Saudi Arabian milk company.

Fonterra is in talks to buy out its partner in the Saudi Arabian milk and cheese market, Saudi New Zealand Milk Products.