Two men and a woman have been charged after a traffic officer was allegedly assaulted while carrying out random breath tests on a road on the Gold Coast.

A woman is in hospital after rolling her car following a police chase in Sydney's west.

A man wanted on warrants in the ACT has been charged in southern New South Wales for a clutch of further offences including drug possession and carrying an illegal firearm.

Colombian police have raised the death toll from a car bomb that exploded in a police academy in the capital Bogota to 21.

International student Aiia Maasarwe loved Melbourne, the city in which she lost her life and where on Friday police arrested a man in connection with the 21-year-old's appalling death.

Queen Elizabeth's 97-year-old husband Prince Philip is recovering at the couple's home in eastern England after escaping without injury when his Land Rover flipped over following a crash with another vehicle.

Sufficient evidence exists to support pill testing trials, a prominent group of doctors has told state and territory leaders.

The royal commission into Australia's aged care sector comes amid a "rising torrent" of concern over safety and quality but is a "once-in-a-lifetime" opportunity to forge a better path, the inquiry has been told.

The US State Department has expressed concern after reports that Chechen authorities have resumed large-scale arrests of LGBT individuals emerged earlier in the week.

Prime Minister Scott Morrison has described the brutal murder of an international student in Melbourne as the "most despicable of crimes", while Labor leader Bill Shorten says it was "shocking and senseless".