Trump's State of the Union

President Trump has given his first State of the Union address to the US Congress since he took office a year ago.

The United Nations says more than a quarter of a million Syrians have fled the northwest of the country since the middle of December, after the government launched a new offensive.

The Australian government has ordered an urgent security review after hundreds of top-secret documents were left in filing cabinets that were later sold as second-hand furniture.