Pound falls as traders brace for Brexit showdown with parliament's return

A pounds watermark symbol is displayed in the security window of a British ten pound sterling banknote in this arranged photograph in London, U.K., on Monday, Aug. 5, 2019. The pound will tumble to the lowest level since 1985 if the U.K. leaves the European Union without a deal, a prospect that looks more likely now than six months ago, according to a Bloomberg survey of analysts. Photographer: Chris Ratcliffe/Bloomberg

LONDON: The British pound weakened on Monday as traders braced for a clash between the government and lawmakers opposed to Prime Minister Boris Johnson's Brexit plans as parliament returns this week from its summer recess.

Parliament returns on Tuesday and opposition lawmakers are expected to propose legislation to force the government to postpone Brexit.