Thousands, including some from Australia, protest in London, England, against the renewal of the United Kingdom's Trident nuclear deterrent system, the largest anti-nuclear rally since 1983. Leader of the Labour Party Jeremy Corbyn, Scottish National Party leader and First Minister of Scotland Nicola Sturgeon, the Welsh Plaid Cymru Party, and the Green Party participated in the march. A parliamentary vote on renewing Trident is expected this year.
Taoiseach Enda Kenny arrives in London for a six-monthly meeting of the British–Irish Council, including talks with Nick Clegg, the deputy prime minister of Britain, and Alex Salmond, the recently victorious Scottish first minister.
British Deputy Prime Minister Nick Clegg says his party will be more "muscular" and mark out their identity more clearly, following their poor results in recent council elections and the Scottish Parliament general election.