The proposal follows an inquiry by the committee into political finance and the risk of foreign interference.

MPs on the national security strategy committee say they are concerned that foreign interference could increase up to the next general election.

The worsening security situation, with the ongoing war in Ukraine and tensions between the EU and US, increased “the value of influencing the UK’s political positions,” Western argues in his letter to Reed.

He also warns that a “corrosive” belief that foreign interference could impact the democratic process presented a “significant risk to long-term trust in institutions”.

The committee is also calling for harsher sentences for those breaking laws on political finance, tougher checks on…