Labour leadership election scheduled by May 31?

This market will resolve to "Yes" if a leadership election for the UK-wide Leader of the Labour Party is scheduled by the specified date, ET. Otherwise, this market will resolve to "No". This market is about whether a date for any Labour Party leadership election is announced within this market's timeframe. Whether the election is supposed to take place within this market's timeframe or later will have no effect on the resolution to this market. The resolution source for this market will be official information from the Labour Party, however a consensus of credible reporting may be used.