WATCH: No Russian money funding Conservative campaign, says Lewis

Security minister says only British citizens have donated to the Tories during the election campaign.

Mick Davis’s resignation letter to Tory donors

He has stepped down as Party Chief Executive and Treasurer, with an appeal for unity – and for donations to deliver “clear and decisive victory at the next election”.

Does the Conservative Party have enough money to fight a European election campaign?

The Party’s Chief Executive has briefed the Cabinet that there are insufficient funds to fight a snap General Election. How bare is the cupboard?

Five crucial implications of Labour’s membership decline

Losing 150,000 members, and the money that comes with them, has knock-on effects for the Opposition and for the Conservative Party.

James Cleverly: What the Conservative Party can learn from Candy Crush

Political parties and online computer games are not the same, but one sector is seeing massive year on year growth and the other, quite frankly, isn’t.

Twelve tests for the Pickles/Brady Conservative Party review

ConservativeHome’s proposals for Party reform, to avoid a repeat of the miserable snap election result.

The “red tide” of third-party campaigns raises worrying questions about political funding

The Tory campaign was outgunned by a broad alliance of officially non-partisan groups. But are they all truly independent? And where is their money coming from?

Conservative donations dipped sharply after the EU referendum. How might Party finances be restored?

The loss of Feldman, the hopelessness of Corbyn and Eurosceptic donor fatigue all play their part. CCHQ says it has a plan to get the money rolling in again.

Tim Bale: Are elections won by members or money?

After decades of decline, the membership figures of the main political parties are on the rise. But will it make a difference?

Coming soon to a Conservative Party near you: a Black-and-White Ball “that works for everyone”

McLoughlin brings in cut-price and free tickets.

Andrew Kennedy: Political parties. The age of mass membership may be over. But that of mass participation may be just beginning.

Our “Registered Supporter” scheme has enrolled 2,000 people; another example of how people are willing to commit, but not to join.

The Government is reducing the unions’ power as political donors – now we must act to reform our own party finances

New reforms will stop union barons funding Labour without their members’ consent. But we also need to change our own funding model.

Our poll finds that almost a third of Conservative activists support a £50,000 cap on donations to political parties

And almost a quarter favour a ban on private loans to them.

WATCH: Fox – No public funding for political parties

“In a free democracy, taxpayers should not be asked to support political parties who, if they had sufficient support, should be to fund their own campaigning.”

There’s only one way to escape the endless, pointless battle over political donors

Campaigning costs money. Taxpayer-funding of political parties would be a disaster. So there’s only one solution – and it isn’t quick or easy.