Britain's Prime Minister Andy Burnham interacts with watches young visitors from a local school, during his visit to Siemens Rail Technology Centre (SRTC) of Siemens Mobility near Chippenham, western England, on November 6, 2026. (Photo by Anthony Upton / POOL / AFP via Getty Images)

Britain's Prime Minister Andy Burnham reacts during a visit to Siemens Rail Technology Centre (SRTC) of Siemens Mobility near Chippenham, western England, on November 6, 2026. (Photo by Anthony Upton / POOL / AFP via Getty Images)

Britain's Prime Minister Andy Burnham (R) and Britain's Transport Secretary Heidi Alexander talk with staff during a visit to Siemens Rail Technology Centre (SRTC) of Siemens Mobility near Chippenham, western England, on November 6, 2026. (Photo by Anthony Upton / POOL / AFP via Getty Images)

Britain's Prime Minister Andy Burnham reacts during a visit to Siemens Rail Technology Centre (SRTC) of Siemens Mobility near Chippenham, western England, on November 6, 2026. (Photo by Anthony Upton / POOL / AFP via Getty Images)

Britain's Prime Minister Andy Burnham is supervised as he works on the production line at the Siemens Rail Technology Centre (SRTC) of Siemens Mobility near Chippenham, western England, on November 6, 2026. (Photo by Anthony Upton / POOL / AFP via Getty Images)

Britain's Prime Minister Andy Burnham is supervised as he works on the production line at the Siemens Rail Technology Centre (SRTC) of Siemens Mobility near Chippenham, western England, on November 6, 2026. (Photo by Anthony Upton / POOL / AFP via Getty Images)

Morgan Chambers, Higher Manufacturing Production Apprentice, watches Britain's Prime Minister Andy Burnham at the production line at the Siemens Rail Technology Centre (SRTC) of Siemens Mobility near Chippenham, western England, on November 6, 2026. (Photo by Anthony Upton / POOL / AFP via Getty Images)

Siemens Degree Apprentice Rose Mahdavi (L) walks with Britain's Prime Minister Andy Burnham during his visit to the Siemens Rail Technology Centre (SRTC) of Siemens Mobility near Chippenham, western England, on Friday, November 6, 2026. (Photo by Anthony Upton / POOL / AFP via Getty Images)