


Over the past week, UK news has been dominated by the mysterious poisoning of Sergei Skripal and his daughter, Yulia. Today, this culminated in the British government revealing that it is believed a type of Novichok agent was the chemical culprit behind the attempted murder. This graphic takes a look at what we do know about Novichok agents and what is still unclear.

The run-up to the Rio Olympics has been overshadowed by a number of issues, not least of which is the doping scandal…