We will use your email address only for sending you newsletters. Please see our Privacy Notice for details of your data protection rights.

Sign up fornow and never miss the top politics stories again.

The Republican front-runner said if he became president he would "shake the rust off America's foreign policy" and would rebuild the US military.

He said America's military would be so strong that no-one would ever think of attacking the country again.

The major speech came a day after he scored a cleansweep of victories in five Northeastern US tates that moved him closer to capturing the Republican presidential nomination.

He explained that US military dominance "must be unquestioned by anybody and everybody."