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The Daily Politics mood box gets views on issues in the Richmond Park by-election to be held on 1 December.

Zac Goldsmith quit the Tories to stand as an independent in protest over Heathrow expansion, but the Lib Dems are also opposed. Nearly 70% of the seat's electors voted to stay in the EU, but Mr Goldsmith backed Brexit.

In an unscientific test with balls and a box, reporter Mark Lobel got a taste of which is the bigger issue for voters in the south west London seat.