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 at the level of Parliamentary Under-Secretary of State. Since 8 January 2018 the post of Deputy Leader of the House of Commons has been vacant following a ministerial reshuffle. The House of Commons devotes approximately three-quarters of its time to Government business, such as bills introduced by the government and ministerial statements. The Leader of the House, with the parties' chief whips ("the usual channels"), is responsible for organising Government business and providing time for non-government (backbench) business to be put before the House. The Leader of the House additionally announces the next week's debate schedule in the Business Statement