Polls have opened in three #parliamentary seats where byelections are being held

https://www.theguardian.com/politics/2023/jul/20/byelection-polls-open-with-rishi-sunak-forecasting-tough-fight-to-save-seats?CMP=Share_AndroidApp_Other
it is a major test for the ruling conservative party - #Byelections triggered when MPs leave their post between election cycles:
Ex PM #Johnson 'stood down to avoid being suspended over a report that found he misled MPs over #Partygate. #Adams quit after being passed over for a peerage. #Warbuton quit after being investigated over claims of harassment and drug use'.