Unison endorses Ed Milband for chancellor under a Burnham government (opens in new tab)

Exclusive: Trade union backs energy secretary to replace Rachel Reeves, but two other big unions are opposedBritain’s biggest trade union has endorsed Ed Miliband for chancellor, as under a potential Andy Burnham government intensifies.Unison has become the most high-profile organisation to back the current energy secretary, who is one of two frontrunners to replace Rachel Reeves in No 11, but who is being opposed by two other major unions – GMB and Unite.