Nigel Farage, leader of Reform UK, has come under renewed scrutiny as an investigation into an alleged undeclared £5 million donation reopened shortly after his recent by-election victory in Clacton-on-Sea. The probe concerns a donation reportedly made by cryptocurrency billionaire Christopher Harborne, which had not been declared in accordance with parliamentary standards.

Farage resigned as the Member of Parliament for Clacton-on-Sea last month, triggering the by-election that was subsequently boycotted by all major Westminster parties. Despite this, the contest drew a record 34 candidates, reflecting a highly fragmented field. Farage secured a decisive victory, garnering more votes than he did in the 2024 general election. However, he declined to attend the official results declaration, citing concerns about being publicly “demeaned and humiliated.”

Following the announcement of the results, Reform UK canceled a series of planned public and media appearances for Farage, including a planned “major speech” in Clacton. In a statement, Farage described the electoral outcome as a “convincing, overwhelming win” and framed it as a repudiation of the established political order.

Prime Minister Andy Burnham acknowledged the voters’ decision, stating that the electorate had expressed their view on Farage’s suitability to represent them. Nevertheless, Burnham emphasized the importance of continuing the investigation into Farage’s funding, asserting the necessity of upholding the highest standards in politics. “It’s incumbent on all of us, including Mr Farage,” he said.

The Office of the Parliamentary Commissioner for Standards announced that the investigation into Farage’s finances, which had previously been paused, would now proceed. Should an infraction be confirmed, Farage could face suspension from the House of Commons and potentially initiate another by-election in Clacton, requiring him to defend his seat once again.

The cost of the recent by-election is anticipated to exceed the initial estimate of £250,000, largely due to the unusually high number of candidates contesting the seat. The reopening of the probe underscores the ongoing challenges Farage faces amid his political resurgence.