When Meir Dagan retired as director of Israel's secret service Mossad he warned against his country launching a military strike against Iran. His comments sparked criticisms from some in Israel concerned about Tehran's controversial nuclear programme.

The former Mossad boss tells Stephen Sackur why he believes an attack would be counter productive and could even strengthen the hand of Iran.

You can watch the full interview on BBC World News on Monday 19th June at 03:30, 08:30, 15:30 and 20:30 GMT and on the BBC News Channel on Monday 19th June at 04:30 BST and on Tuesday 20th June at 04:30 BST.

Watch recent episodes online (UK only) or subscribe to our podcast. Find out who is coming up on the programme by following us on Twitter .