US President Donald Trump has said he is delaying a new policy allowing trophies of African elephants shot for sport to be imported until he can review "all conservation facts".

A Republican Congressman wants to build a fence along the entire 2,000-mile US-Mexico border, a plan that could cost billions of dollars and one that critics say would do little to stop illegal immigration.

The CIA’s independent watchdog has recommended disciplinary reviews for current and former officials who were involved in failed intelligence efforts before the attacks of September 11, 2001.