An inflatable figure depicting British Prime Minister Boris Johnson in Hartlepool on Friday. The Conservatives may have won the Hartlepool election among others, but that does not mean the ruling party retains a pan-UK appeal. Reuters
An inflatable figure depicting British Prime Minister Boris Johnson in Hartlepool on Friday. The Conservatives may have won the Hartlepool election among others, but that does not mean the ruling partShow more

Boris Johnson's victory was far from decisive. Here are the facts