Iran war LIVE: Tehran warns Trump pushing US into 'new Vietnam' with Middle East war

Iran's deputy foreign minister has warned Donald Trump he risks a 'new Vietnam war' with his strikes on Tehran.

Saeed Khatibzadeh was asked by Sky News what would happen if US ground troops entered Iran.

He replied: "Just read what happened in Vietnam.

"They understand those that dragged them into this war can drag them also into a quagmire."