Lib Dems 'must stay in government,' says Nick Clegg
18 September 2013 Last updated at 22:46 BST
The Liberal Democrats must be part of a coalition government after the next election to stop the Conservatives or Labour "messing up", says leader Nick Clegg.
Speaking to his party conference in Glasgow, he said Britain was now a "step closer" to the death of single party government.
Nick Robinson reports