Earlier this week Paul Flynn MP claimed—"from a usually reliable source"—that the inquiry uncovering former Scottish Secretary Alistair Carmichael's involvement in a leaked memo about Nicola Sturgeon cost the taxpayer £1.4 million.
The tweet claiming the figure has since been deleted: but not before the figure spread on Twitter and further afield.
The BBC's Chris Cook has been on the case:
The government has also confirmed the costs were "minimal" - although they haven't given a specific figure:
With Brexit fast approaching, reliable information is crucial.
If you’re here, you probably care about honesty. You’d like to see our politicians get their facts straight, back up what they say with evidence, and correct their mistakes. You know that reliable information matters.
There isn’t long to go until our scheduled departure from the EU and the House of Commons is divided. We need someone exactly like you to help us call out those who mislead the public—whatever their office, party, or stance on Brexit.
Will you take a stand for honesty in politics?