The Breakfast Club referred to an informal group of four Labour Party politicians, set up following the party's defeat in the 2015 General Election, amid leadership speculation.
The four members [1] [2] [3] gained their seats at the 2010 General Election, and were seen to be from the 'Blairite' third way wing of the party:
All members endorsed Liz Kendall's bid for leadership of the party, [4] although Kendall's commitment to the group had been disputed, with reported absences from group meetings and one MP reportedly saying “I don’t think Liz eats breakfast.” [5]
The term was in reference to early morning meetings in Portcullis House, reportedly "to plot the future." [6]