Trump Touts 'America First' National Security Strategy

Washington's new policy envisages a return to a world of superpower rivalry, with China and Russia depicted as the primary threats to US economic dominance. The "four pillars" in President Trump's speech encompass protecting the homeland, promoting American prosperity, demonstrating peace through strength and advancing American influence.

Also in the programme; South Africa's ruling ANC party finally elects its new president and; a US passenger train derails with carriages crashing on to the motorway below causing "numerous fatalities".

Image: US President Donald Trump speaks about his administration's National Security Strategy at the Ronald Reagan Building and International Trade Center in Washington, DC, December 18, 2017. Credit: Saul Loeb/AFP/Getty Images