Farage stepped down last month to trigger the special vote amid controversy over his finances. British politician Nigel Farage retains his seat in parliament after resigning last month over an investigation into his finances that triggered a by-election. Key points and original sources are listed below.

• Farage stepped down last month to trigger the special vote amid controversy over his finances.S1

• British politician Nigel Farage retains his seat in parliament after resigning last month over an investigation into his finances that triggered a by-election.S2