Ukraine assassinates Russian chemical weapons chief

Ukraine claims responsibility for the killing of Russian chemical-weapons chief, Igor Kirillov. We unpack what might happen next. Also in the programme: the European Commission takes the UK to court for the alleged failure by the UK to protect the rights of resident EU citizens. Plus: we ask why there were so few young men at the impeachment rallies in South Korea and new research shows consuming arts and culture is good for your health.

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