Fibbing is part of Boris Johnson’s toolkit but could be his undoing

Analysis: PM's assertions that there were no lockdown parties are increasingly hard to believe

If Boris Johnson's premiership is brought to a humiliating close in the coming days, it will not only be because he allowed Downing Street's boozy lockdown parties to happen on his watch - but because he lied about them.

When allegations of parties first emerged, Johnson told MPs in the House of Commons that Covid guidance was followed completely in No 10", and on another occasion - vehemently - that he had been repeatedly assured" there were no parties.