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Jan 13 (Reuters) - Britain's FTSE 100 index is seen opening 26 to 30 points higher, or as much as 0.4 percent, on Friday, according to financial bookmakers, with futures up 0.3 percent ahead of the cash market open.
* The UK blue chip index closed up 0.03 percent at 7297.37 points on Thursday, thinly extending to 13 days its record winning streak.
* COUNTRYWIDE: British estate agency Countrywide said the volume of house sales in London in the final quarter continued to be below 2015's levels, resulting in a drop of about 6 percent in the number of deals for the year.
* MITCHELLS & BUTLERS: Britain's Mitchells & Butlers Plc said like-for-like sales rose 1.7 percent so far this financial year as the pub group notched up 'particularly strong' trading over the festive period.
* IAG/BRITISH AIRWAYS: British Airways "mixed fleet" cabin crew, who make up around 15 percent of BA's total cabin staff, are to stage a 72-hour pay strike from Thursday next week, their union Unite said.
* LSE/DEUTSCHE BOERSE: Top executives from Deutsche Boerse and the London Stock Exchange will meet a top German politician to resolve a dispute about where to locate the combined group's headquarters, three sources said, with pressure growing for it to be in Frankfurt.
* BREXIT: A crowdfunded legal challenge to determine whether Britain's divorce from the European Union can be reversed once it has been triggered will be launched in Dublin by the end of January, the lawyer behind the case said on Thursday.
* For more on the factors affecting European stocks, please click on: cpurl://apps.cp./cms/?pageId=livemarkets
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> Other business headlines Multimedia versions of Reuters Top News are now available for: * 3000 Xtra : visit topnews.session.rservices.com * For Top News : topnews.reuters.com (Reporting by Rahul B in Bengaluru; Editing by Sherry Jacob-Phillips)