Britain has formally identified Iran as being behind drone and missile strikes on Saudi Arabian oil fields, raising the chance of the UK joining military efforts in the Middle East.
Australia's foreign minister has called footage purporting to show hundreds of shackled and blindfolded Chinese Muslim prisoners by a train at a station "deeply disturbing".
If Donald Trump pressured his Ukrainian counterpart to investigate former US vice president Joe Biden then impeachment would be the only option, the US House Intelligence Committee chairman has warned.
Commitments made under the Paris climate agreement are now no longer enough to limit global warming to acceptable levels, the United Nations Special Envoy for Climate Change has told Sky News.
Protests in Hong Kong have descended into violence once again - with demonstrators trampling on a Chinese flag, vandalising a train station and setting a fire across a street on Sunday.
