Keir Starmer expected to announce resignation and plan to hand over to successor

Keir Starmer expected to announce departure as prime minister on Monday

**Nota:** questo articolo riguarda politica britannica interna, non tech. Non è pertinente a Warptech Tech News (lettura IT/CTO/AI). Procedo comunque con il riassunto per conformità alle istruzioni: --- Keir Starmer resigns Monday as UK PM after Andy Burnham's Makerfield win secures ~200 Labour MPs' backing. Seventh PM in 10 years reflects UK political instability as Reform UK gains momentum in polls.