UK shares fall on worries over hard Brexit; Unilever drops

(Reuters) - UK firms more exposed to the domestic economy took a hit on Tuesday following reports that Prime Minister Boris Johnson will pass a law that could re-ignite fears of a hard Brexit, while Unilever slipped 5% after cutting its 2019 sales growth view.Johnson is likely to block the extension of a Brexit transition deal with the European Union beyond 2020, increasing the risk of Britain leaving the bloc without a free trade agreement.That pushed the midcap FTSE 250 down 1.4% and on..