Israel's Netanyahu: Iran pursued 'secret nuclear programme'

Israel's prime minister says Iran has pursued a secret nuclear weapons programme and lied to international observers about it, in breach of the 2015 nuclear deal.

Benjamin Netanyahu gave an audiovisual display, claiming to have conclusive proof of the programme, from documents obtained from Tehran.

Iranian State TV has dismissed it as propaganda - and Iran's foreign minister says it is all a ploy to cancel the nuclear deal.

Al Jazeera's Patty Culhane reports from Washington, DC.