Angela Rayner flat controversy: how did it happen and how damaging is it?

Key questions answered after deputy PM acknowledges failing to pay enough stamp duty on £800,000 property

• Rayner admits underpaying stamp duty on £800,000 flat

• Read Angela Rayner’s full statement

• UK politics live – latest updates

Angela Rayner has acknowledged for the first time that she had not paid enough stamp duty when she bought an £800,000 flat in Hove earlier this summer.

But how was the mistake made, and what does it mean for her political future? We look at six questions that remain outstanding regarding the deputy prime minister’s finances and position in the cabinet.