Tony Blair takes tough line on nuclear Iran
1 September 2010 Last updated at 11:57 BST
The international community has to be prepared to take military action against Iran if the regime develops a nuclear weapon, Tony Blair has said.
The former prime minister's comments were made in a BBC interview with Andrew Marr to publicise his memoirs, A Journey.
Mr Blair said it was "wholly unacceptable" for Tehran to seek a nuclear weapons capability.
The Tony Blair Interview with Andrew Marr is broadcast on BBC2 Wednesday 7pm