House of Commons of the United Kingdom canister of chlorobenzylidene malonitrile (tear gas). Even members have been known to disturb proceedings of the House. For instance, in 1976, Conservative MP Michael Heseltine seized and brandished the Mace of the House during a heated debate. However, perhaps the most famous disruption of the House of Commons was caused by Charles I, who entered the Commons Chamber in 1642 with an armed force to arrest five members for high treason. This action was deemed a breach of the privilege of the House, and has given rise to the tradition that the monarch does not set foot in the House
Leader of the House of Commons every Thursday. When there is either no Deputy Prime Minister or First Secretary of State, the Leader of the House may stand in for an absent Prime Minister at Prime Minister's Questions. The Osmotherly Rules, which set out guidance on how civil servants should respond to parliamentary select committees, are jointly administered by the Office of the Leader of the House of Commons and the Cabinet Office. Leader of the House of Commons The Leader of the House of Commons is generally a member of the Cabinet of the United Kingdom who is responsible for arranging government business in the