April 3 (Reuters) - British advertising company WPP Plcis looking into accusations of "improper personalbehavior" by chief executive Martin Sorrell, the Wall StreetJournal reported on Tuesday.
The board of the world's biggest advertising company is alsolooking into whether Sorrell misused company assets, the Journalsaid, citing unnamed sources.
WPP's board has hired a law firm to investigate some of theissues, the newspaper reported.
The WSJ report gave no further details on the accusations.
WPP did not immediately reply to emails and calls forcomment.
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(Reporting by Shalini Nagarajan in Bengaluru, Editing byRosalba O'Brien)