Britain orders Russians out

The UK is expelling 23 diplomats after a nerve agent attack on a former double agent. Russia says it didn't do it. But London is trying to gather international support. Also in this programme/podcast: how Mike Pompeo will differ from Rex Tillerson as US secretary of state; fresh setbacks for the Kurds; and how an attempt to develop solar power is revealing a struggle for dominance between India and China.
(Picture: the consular section of the Russian embassy in London.
Credit: Reuters)