The nerve agent used on former Russian spy Sergei Skripal and his daughter Yulia was delivered in liquid form, British officials say, revealing it will take months to clean up the toxic trail the poison left around the city of Salisbury.

A court in Jakarta rules that a $US330 million superyacht linked to Malaysia's 1MDB corruption scandal and its crew — which includes three Australians — should be allowed to leave Indonesian waters.

An "electronic attack" is one of a handful of reasons being given for a false alarm that saw Syria's air defence system kick into action, after initial reports claimed the country had been hit by more missile strikes.

The British Government is setting up a task force to sort out Caribbean immigrants' paperwork for free, after people who have lived in the UK for decades say they were denied medical treatment and threatened with deportation.

Four baboons use a barrel to escape from a research facility in Texas as startled motorists take video of the primates running alongside a road.