Melanie Ward, ministerial aide to David Lammy, has resigned from her post as pressure mounts on Sir Keir Starmer over his future. Ms Ward, PPS to the deputy prime minister , was the fourth government aide to resign on Monday as scores of Labour MPs called for Sir Keir to stand down. Joe Morris, a parliamentary private secretary (PPS) to Health Secretary Wes Streeting , and Tom Rutland, a PPS to Environment Secretary Emma Reynolds, urged the Prime Minister to set out a timetable for his departure as they quit. Cabinet Office PPS Naushabah Khan also resigned, calling for new leadership at the head of the party. Sally Jameson, a PPS to Home Secretary Shabana Mahmood , has also joined the growing calls for Sir Keir to step aside from discontented MPs, who numbered 63 by Monday evening. Ms Ward, MP for Cowdenbeath and Kirkcaldy, said in a statement on X that the election result in Scotland was “extremely disappointing” and that she was resigning as parliamentary private secretary to the deputy prime minister.…