LONDON, March 20 (Reuters) - Britain's FTSE 100 index is seen opening 6 to 7 points higher, or up as much as 0.1 percent, on Friday, according to financial bookmakers. For more on the factors affecting European stocks, please click on
* The UK blue chip index rose as much as 0.5 percent to a record high of 6,982.79 points in the previous session, beating the earlier record of 6,974.26 points set on March 2. It closed 0.3 percent higher at 6,962.32.
* TSB - Spanish lender Sabadell is set to make a firm offer to buy TSB on Friday, a source with knowledge of the matter said, after it made a 340 pence-per-share preliminary approach for the British bank last week.
* Brent prices rebounded towards $55 a barrel as the dollar weakened slightly, but gains were limited by supply concerns after Kuwait said OPEC had no choice but to maintain output levels.
* Copper eased after posting the strongest gain in six weeks the session before, with losses capped by supply concerns as a blockade of the Grasberg mine in Indonesia entered its fifth day.
- Berkeley Group Holdings Interim Management Statement Release
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