On Thursday 29 August peers debated the UK response to the use of chemical weapons in Syria.
Peers considered whether a military response was the best course of action and looked at the objectives, legal basis and anticipated effect of UK intervention.
If there is an important development during a recess period, the House of Lords and/or the House of Commons may be recalled.
The House of Lords was last recalled during recess on 10 April 2013 when tributes were paid to Baroness Thatcher.
Image: House of Lords 2013/Roger Harris