Trump news at a glance: president offers goals but no end date for military offensive against Iran

Trump said military campaign could go far longer' then initial four-to-five week projection as violence and chaos ripple across Middle East - key US politics stories from Monday 2 March at a glance

Donald Trump has laid out four goals in Iran and said the US campaign had been projected to last four to five weeks but could go far longer than that".

On Monday, the US president offered his most extensive comments yet about the war, going beyond two video messages and a series of brief phone interviews with reporters that offered sometimes conflicting objectives.