Read more at https://on.ft.com/2NCPYSw

Iranian President Hassan Rouhani cautioned US President Donald Trump about pursuing hostile policies against Tehran, saying 'war with Iran is the mother of all wars', but did not rule out peace between the two countries

Subscribe to FT.com here: http://bit.ly/2GakujT

Subscribe to the Financial Times on YouTube: http://bit.ly/FTimeSubs

For more video content from the Financial Times, visit http://www.FT.com/video

Twitter https://twitter.com/ftvideo
Facebook https://www.facebook.com/financialtimes