grouping

There is cis-decalin, where a grouping of hydrogen and carbon atoms lies on the same side of the molecule, and also trans-decalin, where the hydrogen and the carbon atoms lie on opposite sides.

And even if Brics were to gain more anti-West members, the grouping would likely struggle to implement the types of initiatives that could pose an actual threat to the West.

The Brics began as a grouping that unites Brazil with Russia, India, China and South Africa.

The grouping, often referred to as a counterweight to the Western-led world, has expanded to include Egypt, Ethiopia, Iran and the United Arab Emirates.

The 78-year-old was scheduled to travel on Sunday afternoon for the Brics summit - a grouping of major developing countries including Brazil, Russia, India, China and South Africa.