UK Stocks- Factors to watch on June 6

Britain's FTSE 100 index is seen opening 6 points higher at 7,227 on Thursday, according to financial bookmakers. * BP: Senegalese President Macky Sall said on Wednesday the government would find out the truth after a report alleged his brother Aliou Sall had been involved in fraud related to two major offshore gas blocks operated by BP . * ARRIVA: U.S. buyout fund Carlyle and German asset manager DWS are gearing up to bid for British rail and bus firm Arriva afte