It's a scene that is being repeated at other immigration facilities overwhelmed with too many migrant children and nowhere to put them.

The Trump administration should respond to these recent attacks with strikes of its own on Iranian and Houthi air-defence assets, offensive missile systems and Revolutionary Guard Corps bases.

Iran is setting up a network of terror cells in Africa to attack US and other Western targets in retaliation for US sanctions against Tehran.

By daybreak on Saturday, police cleared the streets of barriers set up by protesters to snarl traffic in the Asian financial centre, and only a few groups in the mostly youthful crowd remained.

A neighbour made a recording of the row before dialling the police, saying they were concerned for partner Carrie Symonds's safety.

Trump denied the allegations and said, "I've never met this person in my life".

Trump's bombing backdown disappointed hawkish Republicans. But it relieved Americans who do not want to see US-Iranian tensions morph into all-out war.

The Duke of Sussex is taking a break from daddy duty for the night to throw out the first pitch at the opening game of the Major League Baseball London Series at the city's former Olympic stadium on June 29.

A famished polar bear picked up this week after it wandered lost into a northern Russian city hundreds of kilometres from its Arctic habitat was taken on Friday to a zoo in the Siberian city of Krasnoyarsk for treatment.

The woman accused of child sex abuse while a teacher in Melbourne has had her case delayed again.